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An electric bulb is rated 220v and 100w.when it is operated on 110v, what will be its power
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An electric bulb is rated 220v and 100w.when it is operated on 110v, what will be its power

User Rutha
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P = U × I
I = P / U = 100W / 220V = 0.46A
P = 110V × 0.46A = 50.6W
User Chizh
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