The power of a machine is 2 kilowatts, fill the work done by it.
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Power is the rate of doing work. Its unit is watt. 1 Watt = 1 Joule/s. .... Q.33 A machine of 500 W works for 2 hours. Find the number of units of electricity consumed. Sol. Work done 500 × 2 = 1000 Wh = 1 KWh. unit of electricity consumed = 1.
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