JEE Main 2021 Physics question
An electric bulb 500 watt at 100 volt is used in a circuit having 200 V supply. Calculate the resistance R to be connected in series with the bulb so that the power delivered by the bulb is 500 W.
Answer: (A)
An electric bulb 500 watt at 100 volt is used in a circuit having 200 V supply. Calculate the resistance R to be connected in series with the bulb so that the power delivered by the bulb is 500 W.