Question

In India electricity is supplied for domestic use at 220 V. It is supplied at 110 V in USA. If the resistance of a 60W bulb for use in India is R, the resistance of a 60W bulb for use in USA will be ………

(a) R

(b) 2R

(c) \(\frac{R}{4}\)

(d) \(\frac{R}{2}\)

Answer 1

Correct answer is (c)\(\frac{R}{4}\)