In a series LCR circuit at resonance, the phase difference between the current and emf of the source is
A. π rad
B. \(\frac{\pi}{2}\) rad
C. \(\frac{\pi}{4}\) rad
D. zero rad.
Answer:D
In a series LCR circuit at resonance, the phase difference between the current and emf of the source is
A. π rad B. \(\frac{\pi}{2}\) rad C. \(\frac{\pi}{4}\) rad D. zero rad.