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For the Circuit Shown Below, Let Vs(t)=396cos(2π60t30)V\mathrm { Vs } ( \mathrm { t } ) = 396 \cos \left( 2 \pi 60 \mathrm { t } - 30 ^ { \circ } \right) \mathrm { V }

question 1

Essay

for the circuit shown below, let Vs(t)=396cos(2π60t30)V\mathrm { Vs } ( \mathrm { t } ) = 396 \cos \left( 2 \pi 60 \mathrm { t } - 30 ^ { \circ } \right) \mathrm { V } ,
R1=15Ω,R2=35Ω,R3=46Ω,L1=33mH,L2=63mH,C=126μF\mathrm { R } _ { 1 } = 15 \Omega , \mathrm { R } _ { 2 } = 35 \Omega , \mathrm { R } _ { 3 } = 46 \Omega , \mathrm { L } _ { 1 } = 33 \mathrm { mH } , \mathrm { L } _ { 2 } = 63 \mathrm { mH } , \mathrm { C } = 126 \mu \mathrm { F }
(a) Find impedances ZR1,ZR2,ZR3,ZL1,ZL2,ZCZ _ { R 1 } , Z _ { R 2 } , Z _ { R 3 } , Z _ { L 1 } , Z _ { L 2 } , Z _ { C } , and phasor VSV _ { S } for v(t)v ( t ) .
(b) Find the equivalent impedance ZeqZ _ { e q } of parallel combination of ZR2+ZCZ _ { R 2 } + Z _ { C } and ZR3+ZLZ _ { R 3 } + Z _ { L } .
(c) Find the total impedance ZtZ _ { t } seen from the voltage source.
(d) Find the phasor for the current I\mathrm { I } .
(e) Find the phasor for load voltage V0V _ { 0 } .
(f) Find the phasors for I1I _ { 1 } and I2I _ { 2 } .
 for the circuit shown below, let  \mathrm { Vs } ( \mathrm { t } ) = 396 \cos \left( 2 \pi 60 \mathrm { t } - 30 ^ { \circ } \right) \mathrm { V } ,  \mathrm { R } _ { 1 } = 15 \Omega , \mathrm { R } _ { 2 } = 35 \Omega , \mathrm { R } _ { 3 } = 46 \Omega , \mathrm { L } _ { 1 } = 33 \mathrm { mH } , \mathrm { L } _ { 2 } = 63 \mathrm { mH } , \mathrm { C } = 126 \mu \mathrm { F }  (a) Find impedances  Z _ { R 1 } , Z _ { R 2 } , Z _ { R 3 } , Z _ { L 1 } , Z _ { L 2 } , Z _ { C } , and phasor  V _ { S }  for  v ( t ) . (b) Find the equivalent impedance  Z _ { e q }  of parallel combination of  Z _ { R 2 } + Z _ { C }  and  Z _ { R 3 } + Z _ { L } . (c) Find the total impedance  Z _ { t }  seen from the voltage source. (d) Find the phasor for the current  \mathrm { I } . (e) Find the phasor for load voltage  V _ { 0 } . (f) Find the phasors for  I _ { 1 }  and  I _ { 2 } .


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