JEE Main 2006 Physics question

Physics Current Electricity JEE Main 2006

An electric bulb is rated 220 volt −100 watt. The power consumed by it when operated on 110 volt will be

(1)50 watt
(2)75 watt
(3)40 watt
(4)25 wattCorrect

Answer: (4)

Solution

With constant resistance, : W, option (4).

Question ID VK-038768