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Two electric bulbs rated watts, V volts and watts, V volts are connected in parallel and applied across V volts. The total power (in watt) will be?

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answer is A.

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Detailed Solution

Concept: First bulb resistance:

Second bulb resistance:

Since they are coupled in parallel, their equivalent resistance is given as follows:
Question Image

Now power,

Hence, the correct answer option (1) .

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