An electric bulb rated for 500 watts at 100 volts is used in a circuit having a 200 volts supply.
Channel: Doubtnut
Date: 2020-07-05

An electric bulb rated for 500 watts at 100 volts is used in a circuit having a 200 volts supply. The resistance R that must be put in series with the bulb, so that the bulb delivers 500 watt is …………ohm.