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Discussion Response Post to: a bulb rated 220v,60wis connected to 200 v supply.how to calculate power consumed by bulb?

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harsh (189)

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see ...in first case P & V is given so take out the resistance of the bulb usng the formula P = V^2 / R ..............NW IN THE 2ND CASE V IS GIVEN (200 ) ND R WE HAV TAKEN OUT .... SO NW TAKE OUT THE P CONSUMD BY THE BULB USNG THE FORMULA V^2/ R.........

RATE IF USEFUL...CORRECT IF WRONG...

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