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Find the energy is kW h consumed in 10 h...

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

Text Solution

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Total power `= P = 4xx 500` W
`=2000` W
t = 10 h
`W= p xx t`
`=2` kinetic energy `xx` 10
`=20` units
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