Q. Average power in the L-C-R circuit depends upon
A) Current
B) phase difference only
C) Emf
D) Current, emf and phase difference
Explanation
(d) The average power of L – C – R circuit
$P_{av} = V_{rms}.i_{rms}\cos\phi$
Hence$_{,}$ the average power depends upon current, emf and phase difference.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.