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Heating Effect of Current

Three bulbs l...

Question

Three bulbs labelled 100W 220V, 50W 220V, 200W 220V are connected in series across a 220V power supply. Calculate the total power consumed by the bulbs.

20.6 W

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25.0 W

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28.5 W

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28.6 W

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27.5 W

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Solution

The correct option is D
28.6 W

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A

B

40 W

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