Physics, asked by asiyakhatoon191081, 8 months ago

An electric but is
rated
and 100W
then it is operated on 110v power consumed is

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Answered by sakshisingh27

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Hi friend ,

P = V^2/R

If V = 220 V we have

100 W = 220^2/R

R = 220^2/100 Ω = 484 Ω. This is the resistance of the bulb.

When V = 110 V, power consumed = V^2/R = 110^2/484 = 25 W.

So, 25 W power is consumed when it is operated on 110 V.

# Sakshi

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An electric but is
rated
and 100W
then it is operated on 110v power consumed is