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A$=V:;π?πQb<! B$=V:;Rπ?πQb<! C$=V:;RπcπQb<! D$=V:;πcπQb<! Câu 14: U*+.V!C-:% RW[%&55D*5 R b !" 1!@#+5 A$=V:;VWπ?ZπQa<! B$=V:;VWπ?πQa<! C$=V:;VWπcπQa<! D$=V:;VWπ?πQb<! Câu 15:U+55$C*%5C- :%ω.>3dD A> R =ω R ; R e$ R < B> R =ω R ; R ?$ R < C$ R =ω R ;> R e R < D R =ω R ;> R e$ R < Câu 16: UJ!+.f!C #&\DJ!BK6VW5-+ J!*%B95 A !$ =bbCZ!Q: B !$ =bRW!Q: C !$ =\Cg\!Q: D !$ =Z!Q: Câu 17: @#+$=Z:;Vπ?πQR< !F9&!*5$=b!*%55 A\Wπ!Q: B\aπ!Q: C\Rπ!Q: DRWπ!Q: Câu 18: @#+$=>:;Vπ?πQR< ;!<F9&!*5$=V!*%5\Rπ !Q:h +>5 AZ! BbCZ! CV! Db! Câu 19: @#+$=\W:;Rπ?πQR< !F9&!*5$=a!:\CZ:5 *5 Aea! Be\W! Ca! Df! Câu 20: @#+$=V:;Vπ?πQR< !F!&'^5D=W'*#L598#(5- -5 AWCRZ: B\CZ: CWCZ: D\: Câu 21:]*+2#$=Z:;Rπ? πQa<;!<]*M8#(.05--&!i A\Q\R: B\Qa: CZQ\R: D\Qb Câu 22: U*+.>' .0WCZ:F&IJ*^8#(5$=W 8#(5$= b R >5 A\Q\R: B\Qb: C\Qa: D\QV: Câu 23:UJ!+Mj. >C'FC:'M8#(.06&FQ\R 5 *:Y5 A > R B > R R C > R D > \R Câu 24: 5I5$0!+ A.D A`55BkO5K'356 * BBk53G12*% ]*(\R #\ lihGm! CBk53612% DBk5365$ Câu 25:5I5$+C*% * .0'3'*"M A8#(.0 B8#(!5Bk 5$.0'3 C8#(*5B9 D8#(!5$'3.8.+9 Câu 26:5I5$k!*!d'+ mPd5R5-7!'%56f5- -:%+:Yi A7!R5- B7!V5- CPV5- DPR5- Câu 27:U5I5$k!*!5$'+ C'!I!!*'%56Jb5-*! '_+ D AP5R5- BP5b5- C7!R5- D7!b5- Câu 28:U*'%56!#15$d) )((*+.a! '_+5WCa:m'((+ .b!'_+5 AWCa: BWC\Z: CWCb: DWCR: Câu 29: 5I5$BK\W+#Z:C!= VWW;5J"π R =\W<`d5$5 AaVWWmQ! BaVmQ! CWC\ZamQ! DbRmQ! Câu 30: 5I5$+#2 BkB9A+T*.0Rm%B9  *5R!Q: R )%56*H5 AR' BWCZ' C\' DV' Câu 31:U*HRWW#15$5!+n#R! F#MA#*++ 5$. ^RZ!bZ!J"=\W!Q: R 2P *5 A\RZWo B\RCZo CWC\RZo D\RZo Câu 32:5I5$BK!+# #Tj$h&SR5-5*M8#(.0 5WCbgb:;≈πQf:<d 5$5bRmQ!C'%56 M7H5 A\' BZWW CRZW DpZW Câu 33: U5I5$+Bq W  =RW!C 6#1Xd92%##&=π R !Q: R  ).05$+RV!+-:% .0 ARCZ[ BWCWV[ CWCV[ DRZ[ Câu 34:U5I5$+Bq W C6#1 Xd92%##&=\W!Q: R 5I +'WC\π:+ 5$"4^Rf !bR!lA#8 q W 5 AbW! BRf! CRpCZ! DRZCZ! Câu 35:U5I5$*'%56!=ZWW+ #!9X+\a!h'*5 $=−p!**%=bW!Q:$" d'.0 AZWmQ! BbWmQ! C\RWmQ! DRC\pmQ! Câu 36:U*'%56!#15$d' )((*+.>' + 5WCZ:mk&P!C'>5R5- '+ 5I5$5 AWC\: BR: CWCZ: D\: Câu 37: U5I5$k!M7H'%56\' !5$d\aWWmQ!)M7HL8#(.0C &#"!*%.-.0R!Q:h + M7H5 A>=Z! B>=WC\RZ!C>=WC\RZ!D>=Z! Câu 38:U5I5$0!+ .>=V!C-:%r=Z[C'%56 *5!=WCR 'J"π R =\WBkB9A+T*5 AVm B\Wm CZm Dfm Câu 39: 5I5$#1XdC*'%56 WCZ'C5$d'=\WWmQ!5I+8 MN9\W!C=\W!Q: R BkB9A+T 5*5 A\m BRm C\Wm DRCVm Câu 40: 5I5$0!+. f!C'F=WCZ:C'%56 *5!=WCV';5J"π R =\W<lA#8B9 5BkA+T*5 As !$ =ZC\Rm Bs !$ =RCZam Cs !$ =ZRZm Ds !$ =RZam Câu 41:lI*!=RWW!5$#1Xd' =RWWmQ!F^8#(.0C#"*!*%VWπ !Q:$%1+2J"π R =\Wm% &5D#"*%2#+ *5 A$=V:;\WπeπQR<! B$=V:;\Wπ<! C$=V:;\Wπ?πQR<! D$=V:;\Wπ?π<! Câu 42:U5I2+'_F=R:C'=W 5IL8#(.]&!=WCZ:5I A8#(. B%B9 CM8#(.0 D%.0'3 Câu 43:'_+ 5I2'3T  A%##& Bt85u C'%56M7H D++"#1 Câu 44:5I5$'LUH`J'5R:. %##&LUHF#Pv2#AJa5-C' 5I5UHF#P' 5I5$5 AWCf\a: BR: Cb: DVCg: Câu 45:!5I5$#1Xd!5I 2G+9!2J8#!HJ '_+ D.0+ 5I 2 A.0.+9 5$'*L8#(.0 B.0+B 5$ C.0+ 5$L8#(.0 D.0.+9 5$'*L8#(JJ Câu 46:U5I2'+5q \ '5F \ = WCa:C'+5q  R '5F R =WCf:)5I +5q=q \  ?q R '+5;hD+ 9G!2#!HJ< A\: BWCR: C\CV: DWCf: Câu 47:5I2+\!C#192=\W!Q: R  5I+'55b!*%5V \W !Q:hw +5 AWCWZ#+ BWCWV#+ CWCWbZ#+ DWCWp#+ Câu 48:U5I2+q=RW!#192 =gCf!Q: R  )x5I5K'v2Xdy= WC\#+#k#"*%\V!Q:123 :6+"h+ 5I5 ARzR! BR! C V! DVzR! 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Câu 71:•.dH! Ah +•.d5. 95B - Bh +•.dOT-:%  95B- CF-:% +•.d5-:% 95B-  DF-:% +•.d5-:%# K Câu 72:lr5-:% 5B•.dCr  5-:%+ # KK6L5K6 A . +L.d5''  95B5 B -:% +•.dP1-:% 5B L.d C. +•.dPA#8B 9'rer  =W D. +I+-PA#8B9 'r=r   Câu 73:I+-không có(J: A2P.4KP B.7!+-185*!:H: CP567!+-1& DB!:Av+I*! Câu 74:sai A)LC. +5J* +-:%.0-:% 95B B)+B+CK:Y+-:%# ]*(\R #b lihGm! CF#''N*&:%+L 5356 D2P +I+-7!+-1& Câu 75:+"#5+I+-!&n A A+T*95B.4-1&  B'((59+:'+IX C5!!J5B7 !3#&%" D J*!P56D.0-P 56*!J:!}' Câu 76:@A.:"5DE AU"# +  BI+-.'34 C$7!$#$1335d+T +I +- D 5I25+ Câu 77:saiUK+-:%#r  + +A+T 5BL.d-:%rC+  * A.T.5BL.d B.5'rcr  v C-:%.0-:%5BL.dr D-:%.0-:%#r   Câu 78: U&‚GL(:$19 9#!&5A.3dAb!#&59 !#nv'_+# #G5 WCg:m#G+!9J'$19 *%i Ab!Q: BbCb!Q: CWCb!Q: DRCp!Q: Câu 79:+5-562#5i$ \ => \ :;RW•?•QR<!$ R => R :;RW•?•Qa<! AdR#/2+d\!c•Qb Bd\:!2+dR!c•Qb CdR#/2+dJ\•Qb Dd\#/2+R!•Qb Câu 80:F46+G-:%Z[ .5-565b!Z!5+ AF-:%r=\W[.>=f! BF-:%r=Z[.>=R! CF-:%r=\W[.R!≤>≤f! DF-:%r=Z[.R!≤>≤f! Câu 81: F46+G2CG -:%G5+ A-:%.04-:% +- B P56.04P56 + - C..04. +- D.-.04.- + - Câu 82: saiF46+G 2CG-:%5!+ A .T. + - B-:%.0-:% +- C.-.0.- +- '+G D.T-:% +- Câu 83:+G2CG'_ 2#5-565$ \ =b:;Zπ?πQa<!$ R =b:;Zπ ?πQb<!h +465 AZCf! BaCW! CZCR! DZCa! Câu 84: U*BKk&+ G2C1A2#$ \ =V:;π?α<!$ R = a:;π<!h+46>=\W!' Aα=π#+ Bα=−bπQR#+ Cα=eπQR#+ Dα=W#+ Câu 85:+G2C2# 5$ \ =VW:;RWπ?πQV<!!ƒ$ \ =bW:;RWπcπQV<!!h +46 +#5 A\W!! B\V!! C\R!! DZW!! Câu 86:+G2C2# 5$ \  =aW:;RWπ? πQV<!!ƒ$ \  =bW:;RWπcbπQV<!! @2#+46 +#5 A$  =aW:;RWπ?πQV<!! B$  =bW:;RWπ?πQV<!! C$  =bW:;RWπebπQV<!!D$  =gW:;RWπ?πQV<!! Câu 87:+G2C2# 5$ \ =b:;RWπ<!ƒ$ \ =b b :;RWπ<!@2#+ 46 +#5 A$  =a:;RWπ?πQb<! B$  =a:;RWπeπQb<! C$  =Z:;RWπebπQV<! D$  =Z:;RWπ?πQV<! Chương 2 : Sóng cơ và sóng âm Câu 88:D'59:i A:+5A-€+12Xd B:!#"#'3'(5:+ C :5A-€+3!H 0! D:#"#!HJ5v5:+ Câu 89:F%#" :2#!3#&T "%:"i A-:% : B.: C.7J !3#& DP56 : Câu 90:h:5 A '7AS!-J#2 #":+G B '7AS!-J#2 #":+6 CMn&:#"6#!28& D'7AS!+G#2 #": Câu 91:`8t.: A5Mn&!:#"#!-:%: B5Mn&!:#"#!'_: C5'7ASD:-J#K 6:+^ D5'7AS!#2#":! D+G Câu 92:A.D AF-:%:9!!v'Mn&#" !5 BF-:%:5(:% .:'+  : CF-:%:6$A8.L-:% kA: D F-:%:"4':#"^!3#&" :!3#&'A Câu 93: „#"#!H-:%R[. :λF#'7&R::#"6Mn &5 Afλ BRλ Caλ DVλ Câu 94: „#"#!:6+"-:%rC'FC .:λC*%l5KS+  !Um;Um=+<L#+"5i A T d 2 π=ϕ∆  B v df 2 π=ϕ∆ ]*(\R #V lihGm! C v d 2 π=ϕ∆ D λ π=ϕ∆ d Câu 95:U:#"#!:6+"k#J+ -:%ZWW[C&J"'7AS!- J+G5fW!]*%#":#+"5 A=VWW!Q: B=aCRZ!Q: C=\a!Q: D=VWW!Q: Câu 96: F#!H!k+1 2Xd-:%r=VZW[)7ASa 6:#565\!F%#":# !HA#8:"E AVZ!Q: BRRCZ!Q: CgW!Q: D\fW!Q: Câu 97: !:2#:5= f:…Rπ;\WeR$<†!#$(.0!C(.0" h:5 Aλ=f!! Bλ=\! Cλ=WC\! Dλ=ZW! Câu 98:!:2##":5 =V:…π;ZeR$<†!!F#$(.0!(.0 "F%#":5 A\CZ!Q: BRCZ!Q: CR!Q: D\!Q: Câu 99:F#:6+"j>C-j+2 #     =  Z:Z•  ;!<  F%    #"  :  #  +"  5 RV!Q:h: :#+"5 AWCRV! BaW! CgCa! D\CZb! Câu 100:„#"#!H-:%r.: 5λF#'7&R::#"6M7& 5fλlA#8 r5 Af[ Ba[ CR[ DV[ Câu 101:U::C-:%\\W[#"#'3 '(1!2%bVW!Q:)7AvJ S!#2#":+6 .0 A\CZ! BbC\! C\C\! DbCV! Câu 102:`-j !:6+"++2# =V:;Zπ<!!#"#+"%RZ!Q:C #9jU;jU=bW!<:%!+536 j5 AR BZ CV Db Câu 103:`-j !:6+"++2# =V:;Zπ<!!#"#+"%RZ!Q:C 9UAj5jU=\RCZ!+2#5 A U =V:;ZπeπQb<!! B U =V:;ZπeπQV<!! C U =V:;ZπeπQR<!! D U =V:;ZπeRπQb<!! Câu 104: U:!6!37.L 2 # = >:;ωc R x π λ <]*%B9 !}-€!3#& .0V5-%#":' Aλ=π>QV Bλ=π> Cλ=Vπ> Dλ=π>QR Câu 105: !:2#:5= Z:…π;\WeWCZ$<†!!C#$(.0!C(.0" ]8#(-€UA%b!L&!=R:5 A U =Z!! B U =Z! C U =W!! D U =RCZ! Câu 106:„#!:6+"-:%5\W[% #"\!Q:F9&!!U#+"5V! !m#+"AU5ZZ!55 AeV! BR! CV! DW! 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D:$JA^k+GCG .H Câu 117: F#(K!:#!HC k'6>Ch+-:%RW[F9! !UAk>ChS'7+ \ =\g!+ R =Rb !C:.B9)7SU##B>h \B9'AF(%#":#!H AZR!Q: BVW!Q: CaW!Q: DRa!Q: Câu 118: m&BK(K!#!H .Lk'6„ \  „ R  . .:.0 WCZ!)7AS!+.B9- J#9X„ \ „ R .0 AWCZ! BWC\RZ! CWCRZ! D\! Câu 119: F#!(K!:#!H Ck:'6„ \  „ R  +G-:% \Z[]*%#":#!H5bW!Q:]! US'7+ \ C+ R +":Y+. B9E A+ \ =RW!+ R =RZ! B+ \ =RZ!+ R =RR! C+ \ =RZ!+ R =RW! D+ \ =RZ!+ R =R\! Câu 120: F#(K!:#!HC k'6>h+-:%r=\W[% #":#!H5bW!Q:C.:5'3 4 F9!U;>U=\W!ChU=V!<m;>m=\W!Chm =ZCZ!<+.E AUB9ƒmB BUBƒmB9 CUB9imB9 DUBƒmB Câu 121:F#(K!:#!HC k'6>h+ > = h =V:;RWπ<C% #":#!H5bW!Q:C.:5 '34 F9!U#!H;>U=\W!ChU=\Z !<+. AV! BW Ca! Df! Câu 122:F#(K!:#!HC k'6>h+ > = h =V:;RWπ<C% #":#!H5bW!Q:C.:5 '34 F9!UA#!j >h5bCpZ! +. Af! BV! CW Da! Câu 123:k'6CGA\f!C '_WCR:F%#":#!3#&5VW!Q:„% !+B9#&%Sk5i AV! BZ! Cp! D a! Câu 124:Ž!Kk!A+-:%\WW [C9!!H9!„ \ C„ R )7A„ \ „ R = gCa!F%#":5\CR!Q:.! +.B9.!d"# 9„ \ „ R E A\V!B9\Z!d" B\Z!B9\a!d" C\p!B9\a!d" Df!B9p!d" Câu 125:@A.:"5D':+^E AmD:5S!+.B9 BhT:5S!d"'3+ C)!::7$9 #"1G !2CD9:+^ DA.T:A!:%"5-.: Câu 126:F9!7$9C:7$9 A.84+J'7$9#!*7+ B.84+J'7$9#!*7%8 C4+J#7#&6*7+*7 %8 D'3.84+J'7$9#!*7%8 Câu 127:K6:+^#+"kC'7A SD:5 A.0!-.: B.05-.: C.0!.: D.0!€.: Câu 128:K6:+^#+"kC'7A S!D!.T:5.0 A!.: B5-.: C!€.: D!-.: Câu 129: ):+^# :6+" !-% 8C!-B++ +":Y.0i A:%"5-€.: B:%"5ˆ !.: C:%" !-.: D:%"5ˆ !-.: Câu 130:@A.:"đúngE A):+^#+"k#+"A! +!9$1'YA!d" B):+^#+"kJ7A!# +"+^59'3+ C ):+^#+"kkA: d+A!#+"•+ D ):+^#+"k#+"O :7$9:.8#K Câu 131:DF9!7$9:7$9i A6:*75%8 B536: C6:*75B+ DG:*75%8 Câu 132:sai):+^#!:6+" A &S5-5!+"+}X5S ' B )7ASD5:%‡ -. : C!!#+"5DH5.T D!.T5+6 Câu 133:U:6+"-%8C+gW!C #+":+^k!gD:'7-h: #+".0 ARRCZ! B\W! C\\CRZ! DRW! Câu 134: •:A:+^#+"+RCV!J"p !d"'7-+"C.-:%:5RZ[C% #":#+"5i ARW!Q: Bh\W!Q: C ≈ \pC\!Q: D ≈ fCa!Q: Câu 135: U:6"k+\WW!C->Ch% 8U:#"-:%ZW[C#+"!6bD :C'3'RD>ChF%#":#+"5i ARW!Q: BbW!Q: C\Z!Q: DRZ!Q: Câu 136:U+"+VW!CPL-%8C' +"+-:%aWW[M:A#+": +^.T:F%#":5 A=RVW!Q: B=pgCf!Q: C=VfW!Q: D=\RW!Q: Câu 137:U:6+"k>h+\CR!-hB+C-> 6#-:%r#+":5#"*% RV!Q:•:A:+^#+"&J">$1!! D#+"J75gDF-:%+ +"5i AfZ[ BgZ[ CgW[ DfW[ Câu 138: U+"k+aW!C!-%8! -B+C'+"+-:%ZW[M:A#+" :+^.T:]*%:#+"5 A=VW!Q: B=RV!Q: C=RV!Q: D=VW!Q: Câu 139:FBK:+^#+">@-@B+C ->%8„#"#+"-:%ZW[F% ]*(\R #a lihGm! #":#+"5ba!Q:++"5 ARV! BpR! Cba! DZV! Câu 140: U+"+qC-%8„ +^#+".:+J5 Aq BqQR CqQV DRq Câu 141:„+^#+"+C!-%8 !-B+v.:+J5.E AV BQV CQR DR Câu 142: U+">h+aW!C-%8F#+" #-:%ZW[C%#":#+"5\Z!Q:F! :%D:%.T: AbDV.T BZDV.T CVDV.T DVDb.T Câu 143:„6+"0!-%8C&9# :+^!'7ASD95a!F9 !U#+"A!-+"\f!!m#+" A!-+"\Z!'5*D AU5Dm5.T BU5.Tm5D CUm5D DUm5.T Câu 144: l‘   5&’‘5&!9 !UUd&!9U6$A8.L.d A W ‘ ;+h< \W5 ‘ = B W ‘ ;+h< 5 ‘ = C W ‘ ;+h< \W5 ‘ = D W ‘ ;+h< 5 ‘ = Câu 145:Ž!:I5!H#:5u !5M!*  A&! Bk8+! C!d&! D-:%! Câu 146:@A.+":!5sai A „:!:9!#"6#! J#I5v'( B`k8+!5H#*5( ! C` !T&!-:%! D` !T.! Câu 147:Ž!#-!5! AP56!v B.+v C-:%+v D%#"!v Câu 148:!GD AG-:% BGP56 CG-:%. DG. Câu 149:sai AŽ!:I !9T6+:B46 A!+A# BŽ!:IH#(#-!.4 !+A9 TA# CŽ!:ID.K!+Ak'AA# DŽ!:I5M!*k8+! Câu 150:` !5!H(:5uI5i A.:P56!B!d&! C*%! D*%.: Câu 151:&!5 A P56 :!#"M!28+K( H32#"!#!28&C 6(.0|#!x3;|Q! R < B P56 :!#"M!28+K( H32#"!#!28&C 6(.0o51#!x3;oQ! R < CP56 :!#"#!28&C 6(.0o51#";oQ:< D P56 :!#"M!28+K( H32#"!C6(.0o51# !x3;oQ! R < Câu 152:„25#"#'3'(&  5C7!T6:2 A'RCWµ: B'RCW!: C-:%\W[ D-:%bW'[ Câu 153:O#:Ž!> !A  !A'‚G A!d& B-:% C& Dk8+ Câu 154:U!!d&!5RW+hh& !’5‘  Ž!"&!5‘ A‘=\W‘   B‘=WCR‘ C‘=RW‘   D‘=\WW‘   Câu 155:&!’‘ W =\W c\R |Q! R U! !d&!fW+h&!5i A\W cRW |Q! R  B\W cV |Q! R  Cb\W cZ |Q! R D\W cf |Q! R  Câu 156:)&!PJ\WW5-!d& !P! AbW+h BVW+h CRW+h D\WW+h Câu 157:Uk!m3:JA5\|hvM:B JT! !3#&.&’5‘  =\W c\R |Q! R F9!>0!Ak!m5m>=Z!!d &!5 AgZ+h B\Wb+h  Cpg+h DfZ+h Chương 3 : Dòng điện xoay chiều Câu 158:sai Am"I9#+K$"+B#K6 7!dK^ B lA#8K+T +K$".0A#8 #. +K$" C„%O 3'$".A#8K+T  KA$"L-3' D )&K+T +K$"C &+G!1'K Câu 159:`%+K$"A.:sai. A`K567M+KX +"+•#\ '.0'3 B&d&.G-:%KAd& C3:Jd&.0 R 5-3:JK+T D&K+T68t^A+TK  +K Câu 160: F#A956H#+K$" :"C956+GA#8K+TE A`KA BF-:% C' D3:J Câu 161: F#\:C+K$"-:%r=aW[ 4.5-E AbW5- BaW5- CRVW5- D\RW5- Câu 162: U'+"+•M"M#!^ #&7!d^ h ur 3#TM" ' *%\ZWQDF^3B9€M'5\WQπ ;|.<„JKK+T#'5 AZW R ] BZW] CRZ] DRZ R ] Câu 163: K9"M9!9$"+9= R:\WWπ;><CKAS-9!9A#8K +T\R]:!πQb:+KhdKA S-9!95 A=\R 2 :;\WWπ−πQb<;]< B=\R:;\WWπ?πQb<;]< C=\R 2 :;\WWπ?πQb<;]< D=\R 2 :\WWπ;]< ]*(\R #p lihGm! Câu 164: UI‚1!kK$" = RRW R :;\WWπcπQa<;]<`‚O:A'KAL’ ‚  ≥\\W R .F&‚:A#!'_5 A∆=\QbWW: B∆=\QpZ: C∆=\QZW: D∆=\Q\ZW: Câu 165: U ' +"XM"  M!#T 3&:d^ !^#&„JK $JK#'+"-:%T A:%+" '+" B% '+" C5h 7!d^ ^#& D+K( '+" Câu 166:AA.:"không DE A F#9!9OdTKC+K. :!πQR:KA BF#9!9Od7!C+K. *!πQR:KA C F#9!9Od7!CKA. :!πQR:+K#!9 D F#9!9OdTKC+K. *!πQR:KA Câu 167: @A.:"5D!9K$" Od7!E AK#/2KA!πQR BK#/2KA!πQV CK:!2KA!πQR DK:!2KA!πQV Câu 168:UK#L-“!I!9K$" r=ZW[C!%+K#!9#2KA S-9!9!πQRi Am&!I!!9!TK%K#L B m&!I!!9!7!% K#L Cm&7"K#L#.0!7! Dm&7"K#L#.0!TK Câu 169:D A )-:%+K$"M9!9dT KPV5-+'A TK7!V5- B)-:%+K$"M9!9d +"PV5-7!'A +"7!V5- C 'AA+T7#L+K$"C +K-:%v(.87#L D7!'AA+T7#L+K$"C+ K-:%v.87#L Câu 170: )'+K$"9"MTK P5V5-+'A TK A7!R5- BP5R5- CP5V5- D7!V5- Câu 171: U!9K$" k!“CC!I% mP-:% +K5R5-i A7!'A7!R5-C+'APR5- B7!'APR5-C+'A7!R5- C7!'APR5-C+'APR5- D7!'A7!R5-C+'A7!R5- Câu 172:K=R:;\WWπ?πQV<;><MK#L“= ZWΩ#\Z!K56v#5 A•=gW'o B•=\CZ'o C•=\fW'o D•=baW'o Câu 173:`KA-9!9OTKK+ =b\Cf”s5=fW:;\WWπ?πQa<;]<&+K M9!95i A=WCf:;\WWπ?πQR<;>< B=WCf:;\WWπ?RπQb<;>< C=WCf:;\WWπcπQb<;>< D=WCf:;\WWπcπQR<;>< Câu 174:`H!KA=RWW R :;\WWπ?πQa<;]< - !+"-7!B7!=RQπ;< hd &+K9"#+"5 A=R:;\WWπ?πQb<> B= R :;\WWπcπQb<> C= R :;\WWπ?RπQb<>D= R :;\WWπcRπQb<> Câu 175: U9!9d!:%TKK+ 22CH-9!9KAd&= • W :;ω<;]<&K+T#!95.E A W • ω B W • Rω C• W ω D W •  R ω Câu 176:5K+TKCr5-:%CF5'Cω 5-:%hd(+'A TK5 A C2 T Z C π = B π = 2 fC Z C  C C2 1 Z C π = D CZ C ω= Câu 177:`H--7!B7!! KA$"A#8K+T•'34-:%ZW [&+KMTK5V>`&+ KM-7!5R>-:% +K7 .0 AVWW[ B\WW[ CRWW[ DRZ[ Câu 178:`9!9Kk!“!I%=\W cb Qπ ;s<hKA-TK   =ZW R :;\WWπebπQV< ;]<].d&+M!9E A=Z:;\WWπ?πQV<> B=Z R :;\WWπeπQV<> C=Z R :;\WWπ?πQV<> D=Z:;\WWπeπQV<> Câu 179:`H!KA$"=• W :ω- 9!9O+"-7!l•5KAK +TL-9!9ƒC‘ W C‘5-565A#8d&CA #8B9A#8K+T &+K# !9Kd559:"'3DE A W W • ‘ R • ‘ + =  B R R R R   \ R • ‘ + =  C W W • ‘ W • ‘ − =  D R R R R W W   \ • ‘ + =  Câu 180:+K$"=‘ W :ω9"M!9 k!“+"-7!!I%)5*: "5DE A  GS-9!9 B  :!2 “ !πQR C  *!:!πQR DS-9!9*!2 Câu 181: `9!9K$"k!“!I%C 5KSKAd&L--7! KAd&L-K#L- AOTA#8K#L BOTB7! 7! CTA#8 “C D5!:%'34 Câu 182:D A `9!9“%KA-- 7!6KA-TK B`9!9OdTK+K#2K A!πQR C`9!9OdK#L-+K:! 2KA!πQR D`9!9Od+"+K:!2 KA!πQR Câu 183: U9“K#L-“C7!'A–    +'A–  `KAL-9!9=•  :;\WWπe •Qa<;]<&M!95=‘  :;\WWπ?•Qa<> `9!9"i ]*(\R #f lihGm! A–  =“ B–  —–   C–  {–   D–  =–   Câu 184:!9K$"k!K#L“=aWΩCT K=\W cV Qπs7!=WCRQπ!I%`H -9!9!KA$"+9=ZW 2 :\WWπ;]<&+KK+T5 A‘=WCZW> B‘=WCRZ> C‘=WCp\> D‘=\CWW> Câu 185:`9!9Kk!“!I%“=ZWΩC =\Qπ C=RWWQπ µsC+KM9!9 = R:;\WWπ<>].dKA-9!9 A=RWW:;\WWπ?πQV<] B=\WW R :;\WWπ?πQV<] C=RWW:;\WWπcπQV<] D=\WW R :;\WWπcπQV<] Câu 186: UTKK+=\Q;Vπ<;!s<!I% +"-7!B7!=\Qπ;< K$"9"M9!9.d =R R :;\WWπ?πQb<;><hdKA$"S- 9!95 A=\RW R :;\WWπ?πQR<;]< B=\RW R :;\WWπ?ZπQa<;]< C=\RW R :;\WWπeπQb<;]< D=\RW R :;\WWπeπQR<;]< Câu 187:`9!9Kk!!I%=\Qπ ;<h=RWW:;\WWπ<]‘= R >lA#8 5 A\W cV Q;Rπ<s B\W cV Q;Vπ<s C\W cV s D\W cV Qπs Câu 188:U+"K#L-VW˜B7! `5KSKA-+"+KM +"5VZ  7!'A4#L+"5-565 AVW˜ƒRfCb˜ BVW˜ƒZaCa˜ CRW˜ƒRfCb˜ DRW˜ƒZaCa˜ Câu 189: D9!9k!K#L- !I%TK`KAK+TS-K #L-.7TK5-565• “ =bW]ƒ•  =VW] `KA-9!95i AfCV] B\W] CpW] DZW] Câu 190: `9!9k!!+"K#L-“C B7!!TK+'ApW˜!I% h K A L  - 9 !9 5  =\RW R :;\WWπ e πQa<;]<&+KM!95=V:;\WWπ? πQ\R<;><7!'AA#85 ApW˜ BVW˜ CZW˜ D\WW˜ Câu 191:U9!9“!I%hKAK +TL-7!L.7 TK5•  =Œ•   „KAd&L-9!9C&+ Kd&M!9:Y A3 B:!2 CG D#/2 Câu 192:U9!9k!!K#L-!I% !TKhKAK+TL-!95\bW]C L-K#L5ZW]`KAK+TL-TK5 AVW] B\fW] CfW] D\RW] Câu 193:)!I5-56“CC!KA$" 48&K+TM D5-565R>C \>Cb>)!I!9k!“CC%KA# &K+TM!9.0 Ab R > Ba> C\CRZ> D\CR> Câu 194:!9Kk!“=VWΩ!I% +"=WCZQπC#=\WΩh+KM!95=R R :;\WWπeπQb<>hdKAd&S- !9>h5 A=\WW R :;\WWπ?πQ\R<;]< B=RWW:;\WWπepπQ\R<;]< C=RWW:;\WWπ?πQV<;]< D=RWW:;\WWπeπQ\R<;]< Câu 195: !9!9K$"k!# #b-€iK#L-“C+"-7!CT !I%`KAS-!9&+K #!9.di=RRW R :;\WWπcπQb<;]<C' .d+KM!9+9i=R R :;\WWπ ?πQa<;><-€5-€E A“ B“ C“H D Câu 196:U9!9k!!K#L-!I% !TKhKAK+TL-!95\WW]C L-K#L5aW]`KAK+TL-TK5 AaW] B\aW] CVW] DfW] Câu 197:U9K$"k!“=bWΩƒ=\W cb Q;Rπ< sƒ=WCZQπhKA-!9=\RW R :\WWπ ;]<F4#L&+KM!95 A–=bWΩƒ‘=V R > B–=bWΩƒ‘=V> C–=bW R Ωƒ‘=V> D–=bW R Ωƒ‘=R R > Câu 198:U9K$"k!K#L“=ZWΩ% T.KAK+TS-!9.0 \VW]S-TK.0\WW]'A–  :Y5 A–  =\WWΩ B–  =\WW R Ω C–  =ZW R Ω D–  =ZWΩ Câu 199:U9%k!!1'C=abCaµsC=b\f !#k!I!9K$";RRW]eZW[<„%O !1'5i ARCR B\C\> CfCf> DVCV> Câu 200: U9$"+"B7!K#L -#`H-+"KAK+T•=RWW]C +KK+TM!95‘= R ;><KA5K &+K5πQV`K#L#A#85i AZWΩ BRWWΩ CZW R Ω D\WWΩ Câu 201: )5*+"5sai'K:%3 :J:ϕ !9K$"i AU9“C%i:ϕ—W BU9O“i:ϕ=\ CU9C%i:ϕ=W DU9“C%i:ϕ{W Câu 202:3:J!9$"6(.03d +" AP=–‘ R  BP=‘ R “:Š CP=–‘ R :Š DP =•‘ Câu 203:U9K$"k!“CC%+ K‘9"M`KAK+TS-!9CS -“5-565•• “ C5KSKA- !9&+K5 ϕ3d+" không được +G(3:JTK !9K $" A •‘:= ϕP  B “ • ‘=P  C R ‘“=P  D R “‘=P  Câu 204:K:%3:J !9$"9A#8 5J##&6i A`!9OK#L- B`!9'37! C`!9'3TK D`!9K#L.0W ]*(\R #g lihGm! Câu 205:F#!9K$"C7K:% 3:J0!!T(i A3:J k BKM7:€+TKP C "45KSKA-!9 &+KM!9 D7!KPT !9K Câu 206: #75& sai™t K:%3:J :Š !!9K3:JT'34 A`PKM7:€+TKPC7!A K:%3:J BK:%3:J5&K+TM!9 v CK:%3:J53:J( !9 5 D3:J A.8K&52WCfZ Câu 207:UTK+'A–  =RWW˜% +"-7!7!'A–  =\WW˜h& +KK+T‘=\CR>9"M!93:JT K 9!95 A\ZW| BbaW| CW| D\RW| Câu 208:`9!9Kk!“!I%=\WW R :;\WWπ<]=\QπhKAK+T# -C-“C-.0F(3:JT #!9 A\WW| BRZW| CRWW| DZW| Câu 209: `KA$"S-!9K5i= RRW R :;\WWπcπQa<;]<&+KM!9 5i=R R :;\WWπ?πQa<;><3:JT 9 !9.0.E AffW| BRRW| CVVW| D\\W| Câu 210:`KA-!9&d&9"M !9K$"“.d=RRW:;\WWπ? πQa<;]<=R:;\WWπeπQa<>F4#LK:%3 :J !9K5-56.0 A–=\WWš:ϕ=WCfaa B–=RWWš:ϕ=WCfaa C–=\WWš:ϕ=WCZ D–=RWWš:ϕ=WCZ Câu 211:!9!9K$">hk!“CC !I%“=RWWΩ`H-9!9"! KA$"A#8K+TRRW]-:%"4 6)"4-:%C3:JT9A#8 B9.0 ARVR| BVfV| C RRW R | DRWW| Câu 212:U+"'!IKA$"RRW]c ZW[F&M!95R>3:JT5 RRW|K:%3:J !95i AWCa BWCf C\ DWCZ Câu 213:U9!9K#L“=ZW;š<- 7!B7!=\QR•;<!I%`H - !9K!KA$"-:%ZW;[<K:%3 :J !95i AŒ B R QR C\ DW Câu 214:U+"'!IKA$"ZW]e ZW[&+KM+"5WCR>3 :JT#+"5\CZ|K:%3:J !9 5.E A'=WCZW B'=WC\Z C'=WCpZ D'=WCRZ Câu 215:U9K$"“C!I%–  =b“ K:%3:J:ϕ \ m!I%!TK–  = “K:%3:J5:ϕ R FO:%K:%3:J!9! ,5 AR B\Q R  C\ D R  Câu 216:U9K%k!K#L-“C+" -7!TK-9!9KA$" -:%KAK+T'34G3' K#L#J5C5-56KAL-9!9C- TK-+":%O 3'2d5 •C•  •  h•=•  =R•  K:%3:J !9K 5 A:ϕ=\ B:ϕ= b QR C:ϕ=\QR D:ϕ= R QR Câu 217: U9K“%6!I!9K \WW]cZW[.3:J !9K5bW|K:% 3:J5WCalA#8D “5 A\RWΩ BaWΩ CbbbΩ D\WWΩ Câu 218:`9!9$"'3Ak!! K#L“C!-7!–  =bW˜!TK –  =pW˜CH+KAK+T•=RWW]C-:%rh 3:J!9@=VWW|CK#L“A#85 A\WW˜ BfW˜ C\RW˜ DaW˜ Câu 219: !9Kk!“CC!I%C.= WCRQπC=b\CfµsCr=ZW[CKAK+TL- !95•=RWW;]<m3:JT !95RWW| “SA#8:"E A“=\WWΩH“=aVΩ B“=ZWΩH“=\RfΩ C“=\aWΩH“=VWΩ D“=fWΩH“=\RWΩ Câu 220:U9Kk!K#L-“-7! !I%6!I!9K\WW]cZW[. 3:J !9K5bW|K:%3:J5WCa7! 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[...]... 12 7 12 8 12 9 13 0 13 1 13 2 13 3 13 4 13 5 13 6 13 7 13 8 13 9 14 0 14 1 14 2 14 3 14 4 14 5 14 6 14 7 14 8 14 9 15 0 15 1 15 2 15 3 15 4 15 5 15 6 15 7 15 8 15 9 16 0 16 1 16 2 16 3 16 4 16 5 16 6 16 7 16 8 16 9 17 0 17 1 17 2 17 3 17 4 17 5 17 6 17 7 17 8 17 9 18 0 18 1 18 2 18 3 18 4 18 5 18 6 18 7 18 8 18 9 19 0 19 1 19 2 19 3 19 4 19 5 19 6 19 7 19 8 19 9 200 2 01 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 Vật Lí 12 trang 12 Gv :... 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 10 0 10 1 10 2 10 3 10 4 10 5 10 6 10 7 10 8 10 9 11 0 11 1 11 2 11 3 11 4 11 5 11 6 11 7 11 8 11 9 12 0 12 1 12 2 12 3 12 4 12 5 12 6 12 7 12 8 ... Ngọc Lâm 2 21 222 223 224 225 226 227 228 229 230 2 31 232 233 234 235 236 237 238 239 240 2 41 242 243 244 245 246 247 248 249 250 2 51 252 253 254 255 256 257 258 259 260 Vật Lí 12 trang 13 Gv : Bùi Ngọc Lâm Ðáp án – Ôn Tập HọcKì 1 1 C 11 C 21 B 31 C 41 A 51 B 61 D 71 C 81 C 91 B 10 1 A 11 1 A 12 1 A 13 1 A 14 1 A 15 1 A 16 1 D 17 1 B 18 1 D 19 1 B 2 01 A 211 A 2 21 A 2 31 C 2 41 B 2 51 A Vật Lí 12 2 A 12 D 22 A 32... 92 C 10 2 D 11 2 C 12 2 C 13 2 C 14 2 B 15 2 B 16 2 D 17 2 A 18 2 A 19 2 D 202 C 212 D 222 C 232 B 242 B 252 A 3 B 13 A 23 C 33 A 43 C 53 A 63 C 73 B 83 A 93 D 10 3 C 11 3 C 12 3 B 13 3 A 14 3 A 15 3 D 16 3 C 17 3 B 18 3 B 19 3 D 203 C 213 B 223 D 233 B 243 C 253 D 4 C 14 B 24 D 34 C 44 B 54 A 64 B 74 C 84 B 94 B 10 4 D 11 4 B 12 4 C 13 4 A 14 4 A 15 4 C 16 4 B 17 4 B 18 4 A 19 4 D 204 A 214 B 224 B 234 D 244 C 254 D 5 D 15 D 25... D 10 5 A 11 5 C 12 5 C 13 5 D 14 5 B 15 5 B 16 5 B 17 5 D 18 5 B 19 5 D 205 B 215 D 225 C 235 B 245 A 255 A 6 C 16 A 26 C 36 C 46 A 56 B 66 A 76 C 86 B 96 C 10 6 A 11 6 C 12 6 B 13 6 A 14 6 D 15 6 C 16 6 D 17 6 A 18 6 B 19 6 D 206 C 216 B 226 C 236 B 246 D 256 A trang 14 7 D 17 B 27 A 37 D 47 A 57 D 67 C 77 D 87 B 97 D 10 7 C 11 7 B 12 7 D 13 7 A 14 7 C 15 7 A 16 7 A 17 7 B 18 7 A 19 7 D 207 C 217 A 227 A 237 C 247 A 257 D 8 C 18 ... 58 B 68 A 78 B 88 B 98 B 10 8 D 11 8 C 12 8 D 13 8 D 14 8 A 15 8 B 16 8 C 17 8 B 18 8 B 19 8 D 208 A 218 B 228 D 238 D 248 A 258 D 9 A 19 A 29 B 39 C 49 C 59 B 69 C 79 C 89 C 99 C 10 9 C 11 9 D 12 9 D 13 9 D 14 9 B 15 9 C 16 9 A 17 9 B 18 9 D 19 9 D 209 B 219 C 229 D 239 D 249 B 259 D 10 A 20 A 30 C 40 A 50 B 60 D 70 D 80 D 90 A 10 0 D 11 0 B 12 0 A 13 0 C 14 0 D 15 0 B 16 0 A 17 0 C 18 0 B 19 0 B 200 D 210 C 220 C 230 C 240 A 250... là π/2 Công suất của mạch là A 220 W B 242 W C 484 W D 440W Vật Lí 12 Câu 238: Mạch điện xoay chiều RLC nối tiếp có C = 10 -4 /π (F) Hai đầu đoạn mạch có u = 10 0 2 cos100πt (V) Khi điện áp hiệu dụng ở hai đầu mỗi phần tử R, L, C có độ lớn như nhau, thì công suất tiêu thụ của đoạn mạch là A 15 0W B 50 2 W C 300W D 10 0W Câu 239: Đoạn mạch gồm biến trở R nối tiếp với tụ điện có dung kháng ZC = 10 0 Ω Đặt... chu kì và cùng biên độ C Stato là phần ứng gồm ba cuộn dây giống hệt nhau đặt lệch nhau 12 0 o trên một vòng tròn D Rôto là một khung dây dẫn kín Câu 260: Trong động cơ không đồng bộ ba pha A rôto là ba cuộn dây giống nhau đặt lệch nhau 12 0 o trên một đường tròn B có sự biến đổi cơ năng thành điện năng C chu kì quay của rôto bằng chu kì quay của từ trường D stato là bộ phận tạo ra từ trường quay -hết... A cosϕ = 1 B UL = UR C U = UR D ZL = ZC Câu 242: Đoạn mạch gồm điện trở R mắc nối tiếp với tụ điện C và cuộn dây có điện trở hoạt động r = 10 Ω, L= 0 ,1/ π H Điện áp hiệu dụng ở hai đầu mạch điện là U = 50V, tần số f = 50Hz Thay dổi giá trị điện dung C, để cường độ hiệu dụng đạt cực đại là 1A thì giá trị R và C là A R = 40 Ω và C = 10 -3 /(2π) F B R = 40 Ω và C = 10 -3 /π F C R = 50 Ω và C = 10 -3 /(2π) F... nối tiếp gồm có R = 20Ω; L = 1/ (10 π) H; C = 10 -3 /(4π) F Tần số để mạch có cộng hưởng là A 400Hz B 10 0Hz C 50Hz D 200Hz Câu 234: Đoạn mạch RLC nối tiếp có C = 15 ,9 µF Mắc mạch điện vào nguồn (220V-50Hz) thì điện áp hiệu dụng ở R là U R = 220V Giá trị của L là A 0,468 H B 0, 318 H C 0 ,15 9 H D 0,636 H Câu 235: Đoạn mạch RLC nối tiếp được mắc vào điện áp xoay chiều u = 200cos (10 0πt) V Cho biết trong mạch . B 11 1. A 11 2. C 11 3. C 11 4. B 11 5. C 11 6. C 11 7. B 11 8. C 11 9. D 12 0 . A 12 1 . A 12 2 . C 12 3 . B 12 4 . C 12 5 . C 12 6 . B 12 7 . D 12 8 . D 12 9 . D 13 0. C 13 1. A 13 2. C 13 3. A 13 4. A 13 5. D 13 6. A 13 7. A 13 8 D 13 9. D 14 0. D 14 1. A 14 2. B 14 3. A 14 4. A 14 5. B 14 6. D 14 7. C 14 8. A 14 9. B 15 0. B 15 1. A 15 2. B 15 3. D 15 4. C 15 5. B 15 6. C 15 7. A 15 8. B 15 9. C 16 0. A 16 1. D 16 2. D 16 3. C 16 4. B 16 5. B 16 6 D 16 7. A 16 8. C 16 9. A 17 0. C 17 1. B 17 2. A 17 3. B 17 4. B 17 5. D 17 6. A 17 7. B 17 8. B 17 9. B 18 0. B 18 1. D 18 2. A 18 3. B 18 4. A 18 5. B 18 6. B 18 7. A 18 8. B 18 9. D 19 0. B 19 1. B 19 2. D 19 3. D 19 4.