Science, asked by Anonymous, 1 year ago

an electric bulb is rated 220 volt and 100 watt where it is operated on 110 volt power consume will be
a)100w
b)75w
c)50w
d)25w

Answers

Answered by Raghav3333
1
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.
Raghav3333: pls brainliest
Answered by akshatkrishna
1
The power consume Will be 25 watt
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