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Kilowatt hour is a unit of A) Electric power B) Electric energy C) Torque D) Electric current |
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Answer» The correct option is (A) Electric power. The kilowatt hour (symbolized kW⋅h as per SI) is a composite unit of energy equivalent to one kilowatt (1 kW) of power sustained for one hour. One watt is equal to 1 J/s. One kilowatt hour is 3.6 mega joules, which is the amount of energy converted if work is done at an average rate of one thousand watts for one hour. |
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