Question

Answer me with workout....​

Answer 1

Explanation:

d. 25 Watts.

hope it is useful to you.

Answer 2

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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.

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