Q. The power factor of $LCR$ circuit at resonance is
A) 0.707
B) 1
C) Zero
D) 0.5
Explanation
(b) At resonance, $LCR$ circuit behaves as purely resistive circuit. For purely resistive circuit power factor $= 1$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.