Homework Answers
C = 10 micro farad
voltage across capacitor Vc = 100 cos( 500t +30 ) v
w = 500 rad/sec
Xc = 1/ (wc)
Xc = 1/(500*10*10^-6)
Xc = 200 ohm
Ic = Vc/(-jXc)
Ic = (100<30)/(-j200)
Ic = (100<30)/(200<-90))
Ic = 0.5 < 120
Ic = 0.5 cos(500t + 120) A
steady state current through capacitor Ic = 0.5 cos(500t + 120) A
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