0 cos 100 3 u U t π π = − ÷ !"#$%&'()*+,- 4 2.10 π − . /0$12' -3%$%&)4"56$7*81-(,9-:#-';*$4"</2$=**>%*81-(,9- :#-';*$4" / 5cos 100 6 i t π π = + ÷ / 5cos 100 6 i t π π = − ÷ / 4 2 cos 100 6 i t π π = − ÷ ?@A#%B*$CD 6 *#Eω*+ 6 F$G-H!"ω$%BH8I*!"#$%&#;';*$*+JKLK 'M*NO/$%BHω$7*81-(,9-$,)-:#-';*$F$ωDω PQ-*81-(,9-$ ,)-:#-';*$F$ωDω ? /$=*R-4"@ / 1 2 2 LC ω + ω = // 1 2 1 . LC ω ω = // 1 2 2 LC ω + ω = /S/ 1 2 1 . LC ω ω = / TU$$$OF$G-HT6!"#$%&#;';*$-V':W$&'M*NO!X*(*Y' $&*+(Z*Y' 1 4π $7,9-:#-#;';*$4",9-'(*$C*+*81-(/O!"# $%&#;';*$"B u 150 2 cos120 t= π $7P2$=**>%*81-(,9-:#-#;';*$ 4" / i 5 2 cos(120 t ) 4 π = π − // i 5cos(120 t ) 4 π = π + /S/ i 5cos(120 t ) 4 π = π − / <$#K[K4"T2'4\O:\'(#;';*$A#%B*$CF$G-$$$KPOP2$=*$ $O:\**#;[K[4&48I4"@ [ D<6*#E]^_`a b [ D56*#E]^_`? /$O*Z*;-3%$%2'K*+-:c /a6K?T / /deK / /d?K5 / S/f6 / 5#% '% *$*# g \ :h i $K*G ,B$*% i '!% \ 'jg*Gg \g/4% 'G \ i ':\!h g D*#E66π !% D*#E66πk /l 'P\ i $8 g *$\ \ $\g / / u 2 2cos(100 t) V AC = π / u 2cos 100 t V AC 3 π = π − ÷ / u 2cos 100 t V AC 3 π = π + ÷ a @$#';*$F$G-$$$-V'JD66√TΩK*(,B$&*Y'L!")D6 k< `?π. / !"#?&';*$'($$OD66√?*#E66π/O L D56K,9-$%$$%$h /mBn$L /LD6KTeb /LD6K5fb/LD6KaTa/LD6K5fb d@[(oN-8I*'M*!"#';-A#%B*$C&ENpD56q KD??6 /O:Q-o*$rE-F$ $$O-3%$%*Z**>%o;-:c≥55 /:#-'(*$Fs$1-%oE-4"@ / 100 1 E / 100 2 E / 300 4 E S/ 100 5 E e@$#';*$JKLK'M*NO Dd6*#E66π /EN*G-Et*>%#"';*$4"*#Eϕ D6Ka!"$EN *G-Et*>%#;';*$4"*#Eϕ ? D6Keb*(,B$&*Y'/$u*R-v / Dfa / Dd? / Df6 S/ D56 f@$#';*$JKLK'M*NO!X t100cos2200u AB π= /wN*$r:\$%!GFO4"$8$% $8--:c=*$1*>%*$R-4*$$%$% 3 2 π /*!GFO*$r-:c"#E%Bv RL 4\ *$$% 6 π E#!h g /66 /?66 /T66 S/<66 6@$#';*$$8$7$!xK π = 6,0 L K π = − 4 10 C . K:DT6Ω K D66 2 *#E66π /G-Et :\J4X$tF$J*+-:c@DJ 2 I DJ /<6Ω /T6Ω S/?6Ω /56 Ω @$#';*$$8$7$!x!X DT66 K D<6 K,9-:y$%E#!X '(-+*ϕ*#Eϕ D6Ke K*(,B$&*Y'/GFO*$r-:c@ /66 Ω= 240 R u @ Ω= 320 L u @- 75,0 = ϕ /?66 /T66 S/<66 R B C L A N V R B C L A V 1 V 2 R B C r, L A R B C L A N V ?@S9- A#%B*$C$7$E*$;Bz% '(#; ';*$ *+P2 $=* *+P2 $=**81- ( 4" −= 2 cos 0 π ω tIi K 6 {6/n$|4R* )(0 st = K48I-*$B2z%O,$}-*>%,B,~*>%#; ';*$+:#-$1-%PQ-•%*$F7*>%,9-4" / ω π 0 2I / /6/ / 2 0 ω π I / S/ ω 0 2I / T@$#';*$$8$7$!x$(Fn-V''(:#-P%$&•c\:W$&K*(,BK)/U$ !"#A#%B*$C*+ D?56$7 [ D56!" [ D?66/(Fn4"@ /(,B*Y'$&//(,B*+:WF$*F$G-/ /)/S/:W$& <@[(,9-A#%B*$C*+*81-($,)-4"*+&EN 4"p$7 48I-z%O,*>%,B:#-$1-%'(•%*$F7F2|F$,9-PQ-F$G-4"@ / 2I f π / 2I f π / 2 f I π S/ 2 f I π 5@$#';*$A#%B*$C$8$7$!x D?6 2 E66 π KEN*$r!GFO4"?6!" [ EX'$% $h '(-+* π `?/O 2 ω ≠ `L !"LD`? π /€*(,B*+ :W$&F$G-vO*+K$mBn$-:c:W$&*>%*( ,B!",-*>%)/ /*+:W$&b:D56 Ω bD6 k< ` π . /*+:W$&b:Da6 Ω bD6 k< `? π . /*+:W$&b:Da6 Ω bD6 k< ` π . S/*+:W$&b: a@[M*!"#o•#'(A#%B*$C D??6 2 E66 π /o*$rE-F$!"#? &P+-o$#Y'm@ S ≥ 6 2 /:Y41?*E% %@$1-%oE-:#-:#-'(*$F7/D`d5 E /D?`d5 E /D`56 E S/D`56 E P@:#-'(-Bo$E-P%#$\4&v/564& /?54& /664& S/?664& d@S9-*$;Bz%#;';*$*+P2$=*D 6 E66 π /:#-F$#Y-$1-%|6O6K6E *81-(,9-*+-:c=*$16K5 6 !"#$3-$12' /`<66 E!"?`<66 E /`566 E!"T`566 E/`T66 E!"?`T66 E S/`a66 E!"5`a66 E e@$#';*$A#%B*$C-V'JL'M*NO/:#-+KLD`5_ KD6 kT `_. KJ4"'(PO:W !X-:cP%&JD?6‚/[;*$8I*'M*!"#';-A#%B*$C*+&ENpD56q /U$C*$r$PO:W 2:W-Y',&$7*G-Et*>%:\';*$Ex@ /j-,&/ /ƒY',&//P%&j-,&E%+-Y',&/S/P%&-Y',&E%+j-,&/ f@"#*„-'($12'"#+K$%,9-A#%B*$C D # *#Eω^ϕ !" ? D # *#Eω^ϕ ? C*„- *+-:c=*$14"6K5 # K$8-'(,9-%--Y'K*9'(,9-%-j-/%,9-"B4*$ $%$%'(-+*PQ-// 6 5 π / / 3 4 π / / 6 π S/ 3 2 π / ?6@#;';*$A#%B*$C-V'*(,B'M*NO!X)/(4*$$%-3%c\$%&*( ,BE#!X*81-(,9-4":#-';*$4"π`T/$,)--3%$%&)PQ- 3 4& $%$,)-$%&*(,B/(4*$$%*>%-3%$%&*(,BE#!X-3%$%&#; ';*$:\4"@/π`? /?π`T /6 S/π`< ?@A#%B*$C*+-:c$,)-F$G-HK&ENp$%BH8I*/ƒup !"p ? 4"$%&EN*>% ,9-2*G-Et*>%';*$*+-:cPQ-$%Kp 6 4"&EN*>%,9-2*G-Et*>%';*$*Z*;/U$ +%*+@/p 6 Dp /p ? /p 6 Dp ^p ? /p 6 D6K5/p /p ? S/p 6 D 1 2 .f f ??@#;';*$A#%B*$CJLK:#-+J4"PO:W/$%&';*$*+-:c$,)-F$G- H!"&ENF$G-H/U$ J D6 3 $7 L D<6K DT6/OC*$r$PO:W*$#… J D6$7… L !"… *+-:c/afK?!"5Kf /5eKd!"T<Ka /deKT!"T?K< S/<5Ke!"adK ?T @[(oN-E•,)-$$OA#%B*$C*+-:c$,)-??6/OoE-F$$$O !"#oF$G-$€$h55/†EN-3%$1-%oE-!"oM:#-'(*$Fs4" /6K54&/ /?4&/ / 2 4&/ S/ 3 4& V MA B L