A coil has an inductance of 0.7 H and is joined in series with a resistance of 220 ohm.
Channel: Doubtnut
Date: 2020-08-30

A coil has an inductance of 0.7 H and is joined in series with a resistance of 220 ohm. Find the wattless component of current in the circuit, when an alternating e.m.f. of 220 V at a frequency of 50 Hz is supplied to it.