Two electric bulbs rated P1 watt V volts and P2 watt V volts are connected in parallel and V volts are applied to it. The total Power will be

Two electric bulbs rated P1 watt V volts and P2 watt V volts are connected in parallel and V volts are applied to it. The total Power will be

  1. A

    P1+P2watt

  2. B

    P1+P2watt

  3. C

    P1P2P1+P2watt

  4. D

    P1+P2P1P2watt

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    Solution:

    If resistances of bulbs are R1 and R2, respectively, then in parallel 1RP=  1R1+1R2

      1V2Pp=1V2P1+1V2P2  PP=P1+P2

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