An electric bulb, marked `40 W` and `200 V`, is used in a circuit of supply voltage `100 V`. Now its power is

An electric bulb marked 40 W, 200 V, is used in a circuit of supply voltage 100 V. Its power now is

An electric bulb marked 40W-200 V is used in a circuit of supply voltage 100V. Now its power is

The power of an electric bulb marked as 40 W and 200 V used in a circuit of supply voltage 100 V will be

An electric bulb marked 25 W and 100 V is connected across 50 V supply . Now its power is .

An electric bulb marked 25 W and 100 V is connected across 50 V supply . Now its power is .

An electric bulb rated 500 W at 100 V is used in a circuit having a 200 V supply. What resistance R must be put in series with the bulbs so that the bulb delivers 500 W?

An electric bulb rated as 200 W at 100 V is used in a circuit having 200 V supply. The resistance 'R' that must be put in series with the bulb so that the bulb delivers the same power is __________ Omega .