The average power in LCR series circuit is

At resonance, the value of the power factor in an LCR series circuit is

The power factor in LCR series circuit at resonance is

Derive an experssion for the average power in LCR circuit connected to a.c. supply. Hence define power factor. Show that average power cousumed per cycle in an a.c. circuit conataining an ideal capacitor is zero.

In a series LCR circuit

When the frequency of AC is doubled, the impedance of an LCR series circuit

Power delivered by an ac source of angular frequency Omega_(0) to an LCR series circuit is maximum when .

The phase difference between voltage and current in an LCR series circuit is

In LCR series circuit , an alternating emf e and current i are given by the equations e = sin (100 t) volt . i=100 sin (100 t + (pi)/(3)) mA The average power dissipated in the circuit will be

Resonance in series LCR circuit