A load is connected to a (rms)

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

A load is connected to a

230\,\text{V}

(rms),

50\,\text{Hz}

mains supply and draws a current of

2\,\text{A}

with a phase difference of

30^{\circ}

between voltage and current. Calculate the average power consumed by the load. (a)

460\,\text{W}

(b)

325\,\text{W}

(c)

398\,\text{W}

(d)

563\,\text{W}