Physics, asked by halloween692, 1 year ago

an electric bulb is rated 220 volt and 100 watt calculate the power consumed when it is operated on 110 volt

Answers

Answered by VishnuRaj2002
4


P = V2/R  
If V = 220 V we have

100 W = 2202/R
R = 2202/100 Ω = 484 Ω. This is the resistance of the bulb.

When V = 110 V, power consumed =  V2/R = 1102/484 = 25 W.

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Answered by 8979643035ritu95
1

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