An alternating voltage is applied across an - combination

PHYSICS · Single correct · CBSE · Physics · Alternating Current · Alternating Current

Problem

An alternating voltage is applied across an

R

L

combination.

v=220\sin(120t)

and the current

i=4\sin(120t-60^\circ)

develops. The power consumption is (a) Zero (b)

100\,\text{W}

(c)

220\,\text{W}

(d)

440\,\text{W}