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    Question

    A kilowatt-hour is unit of

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    A Energy Correct Answer Incorrect Answer
    B Power Correct Answer Incorrect Answer
    C Electric charge Correct Answer Incorrect Answer
    D Electric current Correct Answer Incorrect Answer

    Solution

    Work is defined as a force acting through a distance (a length of space), energy is always equivalent to the ability to exert pulls or pushes against the basic forces of nature, along a path of a certain length. In the International System of Units (SI), energy is measured in joules, but in many fields other units, such as kilowatt-hours and kilocalories, are customary.

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