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An electrical bulb rated 220 V, 100 W, is connected in series with another bulb rated 220 V, 60 W. If the voltage across combination is 220 V, the power consumed by the 100 W bulb will be about ______W.

0 2 Views | Posted 2 months ago
Asked by Shiksha User

  • 1 Answer

  • V

    Answered by

    Vishal Baghel | Contributor-Level 10

    2 months ago

     v1v2=R1R2=P2P1=60100=35

    v1=38×220=3×27.5=82.5v

    ∴P1= (v1v)2P

    = 14 w

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