Physics, asked by saxenashubh, 9 months ago

an electric bulb is rated 220V and 100 W, when it is operated on 110 V. calculate the power consumed by it

Answers

Answered by sridevigarapati00821

7

Answer:

P = V^2/R

R = V^2/P = 220^2/100 = 484 ohms

when V = 110

P = V^2/R = 110^2/484 = 25 Watt .

hope it is helpful.......

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