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An electric bulb is rated 220vand 100w when it isoperated on 110v the power consumed will be?​
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An electric bulb is rated 220vand 100w when it isoperated on 110v the power consumed will be?​

User Chamanhm
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1 Answer

4 votes

Answer:

P = I V = I * 220 = 100

I = .45 amps bulb rating

P(110) = .45 * 110 = 49.5 W at 110 V (1/2 its value at 220V)

User Ezrqn Kemboi
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