ANSWERS: 3

equal to 1,000 watts.kwha common unit of electrical consumption measured by the total energy created by one kilowatt in an hour

The amount of work done (energy transferred) when an appliance of one kilowatt runs for one hour. Because a joule is the amount of work done when one watt runs for one second, a KWH is equivalent to 3,600*1,000 = 3,600,000 joules.

' a composite unit of energy equivalent to one kilowatt (1 kW) of power sustained for one hour.' 'The kilowatthour is commonly used as a billing unit for energy delivered to consumers by electric utilities.' Source: https://en.wikipedia.org/wiki/Kilowatt_hour
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