In a series LCR circuit at resonance, the applied emf and current are
A. out of phase
B. in phase
C. differ in phase by \(\frac{\pi}{4}\) radian
D. differ in phase by \(\frac{\pi}{2}\) radian.
Answer:B
In a series LCR circuit at resonance, the applied emf and current are
A. out of phase B. in phase C. differ in phase by \(\frac{\pi}{4}\) radian D. differ in phase by \(\frac{\pi}{2}\) radian.