Physics, asked by techySayan, 1 year ago

A room heater is rated 100W, 240V. If an electric bulb rated 60W, 240V is connected in series with this heater, what will be the power consumed by the heater and the bulb when supply is at 240V ?​

Answers

Answered by sayyadmohd78
2

Power rating = 100W

V²/P = 240*240/100 = 576ohm

Voltage when suppy 240V

V²/R= 240*240/576 = 100W

power consumed = V/R

240/576 = 0.41 A.

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