RC Circuits

Q1: What is the phase angle for a parallel circuit consisting of a 500 kHz, 5 Vac source with a 47 pF capacitor, and a 4.7 komega.gif resistor in parallel?

A 55.3°

B –55.3°

C 34.8°

D –34.8°

ANS:C - 34.8°

for parallel circuit tan-1(Ic/Ir)
Ic=V/Xc
Ir= V/R



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