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    Question

    Kilowatt-hour is the unit of

    :
    A Energy Correct Answer Incorrect Answer
    B Power Correct Answer Incorrect Answer
    C Force Correct Answer Incorrect Answer
    D Momentum Correct Answer Incorrect Answer

    Solution

    The kilowatt hour, or kilowatt- hour, is a unit of energy equal to 1000 watt hours or 3.6 mega-joules For constant power, energy in watt hours is the product of power in watts and time in hours. The kilowatt hour is most commonly known as a billing unit for energy delivered to consumers by electric utilities.

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