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An electric bulb rated 220V, 100W is con...

An electric bulb rated 220V, 100W is connected to a source of 220 (0.8)V then actual power will be

A

100(0.8)W

B

`100(0.8)^2 W`

C

`gt100(0.8)W` but `lt100` W

D

`gt100(0.8)^2W` but `lt100(0.8)W`.

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