Q. What is the average power dissipation in an ideal capacitor in AC circuit?
A) $2CV^{2}$
B) $\frac{1}{2}CV^{2}$
C) Zero
D) $CV^{2}$
Explanation
(c) Average power in AC circuits is given by $P = V_{rms}I_{rms}\cos\phi$ for pure capacitive circuit $\phi = 90{^\circ}\ $so$,\ P = 0$.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.