Question

    Which of the following is not a unit of

    energy?
    A Calorie Correct Answer Incorrect Answer
    B Joule Correct Answer Incorrect Answer
    C Electron volt Correct Answer Incorrect Answer
    D Watt Correct Answer Incorrect Answer

    Solution

    The watt is a derived unit of power in the International System of Units, named after the Scottish engineer James Watt. The unit defined as one joule per second, measures the rate of energy conversion or transfer. 

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