The power in AC circuit is given by:
P = Erms Irms cosφ
The value of power factor cosφ in series LCR circuit at resonance is-
1
0
2
1
3
Erms Irms
4
\(\frac{E_{rms} I_{rms}}{\sqrt{2}}\)
The power in AC circuit is given by:
P = Erms Irms cosφ
The value of power factor cosφ in series LCR circuit at resonance is-