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    Question

    What is the unit of power in an electrical

    circuit?  
    A Joule Correct Answer Incorrect Answer
    B Watt Correct Answer Incorrect Answer
    C Volt Correct Answer Incorrect Answer
    D Ampere Correct Answer Incorrect Answer

    Solution

    The watt (W) is the unit of power in an electrical circuit.   One watt is equal to one joule of energy per second.   Power can be calculated using the formula P = V × I , where P is power, V is voltage, and I is current.

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