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20 April, 12:31

A camcorder has a power rating of 15 watts. If the output voltage from its battery is 5 volts, what current does it use?

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  1. 20 April, 15:19
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    Formula

    W = E * I

    Givens

    E = 5 volts

    W = 15 watts

    I = ?

    Solution

    W = E * I

    15 = 5 * I

    15/5 = I

    I = 3 amps. Answer
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