Physics

Problem

An a.c. source of rms voltage

200\,\text{V}

supplies a series RLC circuit in which the rms current is

4\,\text{A}

and the power factor is

0.80

(lagging). The average power consumed by the circuit is a)

800\,\text{W}

1000\,\text{W}

640\,\text{W}

480\,\text{W}