A lamp is labelled 60 W, 120 V

PHYSICS · Single correct · CBSE · Physics · Electricity · Electricity

Problem

A lamp is labelled 60 W, 120 V. Assuming its resistance remains constant, what power will it consume if it is connected across a 200 V supply? (a)

100\,\text{W}

(b)

167\,\text{W (approximately)}

(c)

60\,\text{W}

(d)

333\,\text{W}