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  • Find the energy in kW h consumed in 10 hours by four devices of power 500 W each.

Q. 20.     Find the energy in  kW\; h consumed in 10 hours by four devices of power 500 \; W each.

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The energy consumed by 1 device is given by :

                                                                       E\ =\ 500\times 10\ =\ 5000\ Wh

Thus the energy consumed by 4 devices is          =\ 4\times 5000\ =\ 20\ KWh

Posted by

Devendra Khairwa

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