LUYỆN TẬP DÒNG ĐIỆN XOAY CHIỀU (2) Câu 1 !"#$%&'( ) *(+*,&-$ &.*)/0 12"&3+!" 45" ) &6+ 7"("&3%8&" 97"("&3%&:3"; Câu 2 <=>"&#?3"@"&7A#$& "&"B&&CDE ωF@,"%"&"&#$!" G(H::I&JK 1ϕCL R C ω 4ϕC CR ω M− ; ϕCω 9 ϕC C R ω Câu 3 <"A?"&"&CD E NωOπPQRNSRT2!"U&@:I& JCV E NωLπPQRN1R(WX$,$K 1#$X 4#$#?ω 8 YM #$#?ω 8 ZM; 9#$X Câu 4 <>:X#?3""(%8&@:I&J E N Ru U t V ω = 5[B&\(H$I) &6"':]0^ ) &6]@ 1C 8 _E` M CUP C ω ω = ; 4C 8 _E` 8 CUP C ω ω = C 8 8` M CUP C ω ω = 9C 8 ` 8 CUP C ω ω = Câu 5 "B&>&.@"&CaE Ω ]CEbcb5#?3 "@"&dG5"&"&,$ & MQMQ MEE NSR= π e2"& 3(H]T:I&J2!"U&,$K 1CEfEf NMEEπLπP8R1 4CMfbf_ NMEEπR1; CMfbf_ NMEEπLπPQR1 9CEfEf NMEEπOπP8R1 Câu 6 <@CMEEΩC 8 c π N5R5"&"B&A#$@:I&J &CD 8πggdGegC_E5hTiπPc #?&7Ij#?&Tg@(H,$ 1c_5h; 4QE5h _E5h 9MEE5h Câu 7 <"B&>&& CE8PπN5RX#?: !",$_E5h7B&\:CMEΩT) &6 +,$MEk^(H*(+:I) &6#l,$MEk 1MEΩ 4M_Ω 8EΩ 9QEΩ; Câu 8 4CMPπN5RC8ME LQ PπNmR7A#$8&"( B&& 14 CD E MEEπNSR7I& -cπPQ #?& 14 T@(H 1MEE 8 Ω 4M_E c Ω _EΩ; 9MEEΩ Câu 9 "B&T#n4o Zo p(:I&$ &.,$sai #B(^6 G &q'0 1& 1< r& 14 ; 4& <4 j& <s & <4 G& s4 9& <4 r& 1< Câu 10 ":T @"("&3%&",$M8fST"( "&3%.,$K 1M8fS 4MQbbS 88ES; 9fccS Câu 11 7A"( = ω ωu U 2 sin t (Uvaø *)dR#$&*).( 4]#$"&G%*)d7B&\H +I) &6'&3+ ]e@) &6+:t 1 c 8 DV 4DV 2 2 DV; 9 M 8 DV Câu 12.<"@^&*(7I@I"G 2u'3jG E #$J5[:3N E RGuv*I&$0 1 4 14!&w&#$o 914!&w&#$ Câu 13.@(H(WH7A#$&$"&" B&@ de @+!":tω E T*(#$&*(@(Ho C MEEΩ#$o C8_Ω7Id @+!"(Hω:t 1Qω E 48ω E E_ω E 9E8_ω E P vMP# P#vM8c#PxvP&vP,&vLLLvLLv&LELMQ8cfcMbM_cccQP:MQEE_cQfyQ LML Câu 14.(H+z:H7A"&"B&dH#$ &62!"U&-πPc #?"&"'7I @T&*(o +3@(H:t 1P c 4 c 9c Câu 15.eX,,G#$"&"B&dHT2!""&3U& +/,,G,$81M1c1eX>#$"&"'T2!" "&3U&:t 1M8_14M8E1 c 8 1 9b1 Câu 16."vJ]'4,$:&.&@CQPπN5R3@ "&CME LQ PπNmR7A#$&"&"B&dH@:I&JK&C D E MEEπNSR7I"&"& ,"πP8 #?& T:t:'&0 1CcEEΩ 4CMEEΩ CMEE 8 Ω 9C8EEΩ Câu 17.4CMPπ5#$C8_Pπµm"&"B&A#$& dH#$@:I&J&CD E MEEπFu'3{#$J37I"&"& ,"πP8 #?"&"%&:3Tu$#$(H+{:t:'&0 1u{PP{Cf_Pπµm 4u{{Cf_Pπµm u{PP{C8_µm 9u{{CMEEµm Câu 18.<"B&>4 !"U&:t_E5h#$((H "&3D CcESD CQESVCE_1e,&-$*)/0 1doCMEEΩ47"&+3CM8_Pπµm & i_c E #?& 9) &6'&3pCM_k Câu 19<"B&>4 !"U&:tMEE5h#$((H "&3KDCQESD C8E c SD CMESVCEM1Chọn kết luận đúng 17"&C8EE c Ω 47]CcPπ5 7"&+3CME LQ Pπm 914B&/ Câu 20. "B&14>"&&.&e !":tMEE5hT"&""&3D CMESD 14 C8ES#$2!""&3U& ,$VCEM1#$@(H$ &.0 1CMEE Ω `C c PN8πR5 4CMEE Ω `C c Pπ5 C8EE Ω `C8 c Pπ5 9C8EE Ω `C c Pπ5 Câu 21. "B&>:X#?&&CMP π5 5"&"&dH#$@:I&J&CMEE MEEπNSRd&G) &6 "]'::t 1M8_k 48_k _Ek 9MEEk Câu 22.<>:X#?&.@]CEEa5#$"&C c8Ω7A#$&"&"B&$dH@ @cEEP 7I) &6 "':(H,?6T"+:@(H:t:'&0 1_bΩ 48QΩ c8Ω 9QEΩ Câu 23."4CE_Pπ5CME LQ PπmdG7A#$& "&"dH@:I&JK&CD E MEEπ7I) &6'&3+] T:t:'&0 1CE4CMEEΩ C_EΩ9Cf_Ω Câu 24: <>"&X#?3"5"&"%& ,$MEES&3",$bES5" ) &6+,$K A.Eb B.Ef C.Ea D.Ey Câu 254CMPπ5C8ME LQ PπmdG7A#$& "&"@:I&JK&CD E MEEπ7I& -cπPQ #?& 14 T@(H 1C_E Ω 4CM_E c Ω CMEE Ω 9CMEE 8 Ω Câu 26.2!",&),&)i #?"&"&* 1\@3" 4@#$X @#$X @#$X Câu 27."4dGCEaPπ5CME Lc PNbπRm7A#$& "&"@:I&JK&CD E MEEπ7I& ,"πP8 #?&T@ 1C8EΩ 4CQEΩ CQaΩ 9CMQEΩ P vMP# P#vM8c#PxvP&vP,&vLLLvLLv&LELMQ8cfcMbM_cccQP:MQEE_cQfyQ L8L Câu 28.7A"&"B&&CD E ω#$&\@"&F=D,$"& ""&3&`V E V,,G,$(HJ2(H]#$(H"&3+ 2!"5"J,',$ &.*)/0 1 E E D V E D V − = 4 & E D V − = 8 8 8 8 E E & M D V + = 9 E E D V 8 D V + = Câu 29.<X:@|.@Gv"&#$"B&88ES}_E5h s&X@#$"B&88ESLbE5hT) &6["+:@| n 1,' 4 *)d 9@I@I Câu 30.<"B&>X4*)d#$ !"dG 4tJ#? g M To C_EΩ#$o CMEEΩ g+!"J#?,/" 1gZg M 4gYg M gCg M 9@I,?r[rg M &w&#$(H+ Câu 31.5&.N M M R#$N 8 8 RGX&#$X#$"&"B&@(H "&3DF=D M #$D 8 ,$"&""&3rJ%&&N M M R#$N 8 8 R7B&*"I DCD M OD 8 ,$ 1 M P M C 8 P 8 4 M P 8 C 8 P M M 8 C M 8 9*)@,'"$:~'/ Câu 32.5"&"B&%&",$K&C88E 8 NMEEπLπPbRNSR#$2!" U&,$KC8 8 NMEEπOπPbRN1R) &6'&3+:t:'&0 1aaEk4QQEk 88Ek9I^G#T: Câu 33."B&14>X@C8EEΩ7A#$& $"&"B&@(H"&388ES#$ dGed ) &6 '&3@I(H]:t 18EEk 488E 8 k 8Q8k9QaQk Câu 34.s&'X!"B&]#$"G$0 1] 4J" J"q 9Jq Câu 35. "B&>Xω*)dd*C T"&"D e@D @G(H::I&J 1. CoC ZIU = 4. UU C = C. R ZU U C C = 9. R ZRU U L C 88 + = Câu 36. "B&>X*)ddω*ωCω T"&""&3%&"(H]e@ 1 CL o M = ω 4. ( ) 8 M LC o = ω . LC o = ω 9. LC o M = ω Câu 37. "B&>Xω*)dd*C T"&""&3%&&)(H]e@ 1. L L o Z ZR C ω 88 + = 4. ( ) 8 M L C o ω = L C o ω M = 9 L C o 8 M ω = Câu 38.">XCMPπ5C_EPπ•m#$CMEEΩ7A#$& ""&"B&uC88E N8πgOπP8RS@ gdGegCg T2 !""&3U&V(H]e@:I&J"&"%& n@ A. u C88E N8πg LπPQRS B. u C88E N8πg OπPQRS C. u C88E N8πg OπP8RS D. u C88E N8πg OcπPQRS Câu 39. ">XCM85C_EEPc•mdG7A#$& ""&"B&uC8QE NMEERSeC T) &6(H] e@"&""&3%&#$%:3,$ A. D C8QES#$D CM8ES B. D CM8E 8 S#$D CbE 8 S P vMP# P#vM8c#PxvP&vP,&vLLLvLLv&LELMQ8cfcMbM_cccQP:MQEE_cQfyQ LcL C. D CQaES#$D C8QES D. D C8QE 8 S#$D CM8E 8 S Câu 40:7A"(B& ( ) M8E b u t V ω = #$& 14T#n7"("&3'<4 6)"("&3'7"('<4," #?"(&,$ N R 8 rad π 42!""&3,$E_1) &6'&3$,$ A. 8Ek B. MEEk C. yEk D. M_Ek Câu 41:e@""B&*).(T A2!"J2j#?"(J2A#$& B7"(J2%&"&j#?"(J2%:3" C) &6'&3'(H[6 D7"(J2%&"&j#?"(J2%&& Câu 42:<(:@"& &66€:tMEE•@ #!.& r66ME, #!.& J6<(:$ A,$ !"& r6ME, B ,$ !"& r6ME, C,$(( D,$(( Câu 43:e"(%&X ? QP π #?!"TK A. +!"[r(H"G B.d+:t,$"&+ C.5"& %*(#$&*(:t"&+ D.7"(%&" ? QP π #?"&"%&3" Câu 44:B&*).(2!" ?ϕN#?EYϕYE_πR #? "(&7@K A.>&&#$3" B.>"&#$3" C.\@& D.>"&#$&& Câu 45K<">CMEΩ`C 120 π 5`C π M8EE M mX!"B& T gC_E5hU&d+:tK A.ME 2 Ω B.MEΩ C.MEE 2 Ω D.MEEΩ Câu 46: 714>1<#$<4X71<>"& M CQEΩ X#?3"@"3 c ME m Q − = π <4>"& 8 X#?& &7A#$14"(B&@(H"&3#$ *)dT"(J2& 1<#$<4,,G,$K 1< f & _E 8 NMEE RNSR M8 π = π − #$ <4 & M_E MEE NSR= π 5" ) &6+ 14,$ A.Eab B.EaQ C.Ey_ D.EfM Câu 47:7A"(B&&C8EE 8 MEEπNSR#$&>3"@&*(o C_EΩX#?"&C_EΩ2!"@:I&J ACQ NMEEπL Q π RN1R BC8 8 NMEEπO Q π RN1R CC8 8 NMEEπL Q π RN1R DCQ NMEEπO Q π RN1R Câu 48: 7A"( 220 2 os100 ( )u c t Vp= #$& T#n4"(%& 1s#$"(%&s4@(H"&3 :t&,"& 8 c rad π 7"("&3%&1s:t A. 8EES B. 88ES C. MMES D. 220 2V P vMP# P#vM8c#PxvP&vP,&vLLLvLLv&LELMQ8cfcMbM_cccQP:MQEE_cQfyQ LQL 1 4 < s 1 4 < s . LUYỆN TẬP DÒNG ĐIỆN XOAY CHIỀU (2) Câu 1