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14 January, 15:17

A camcorder has a power rating of 11 watts. If the output voltage from its battery is 8 volts, what current does it use?

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  1. 14 January, 15:39
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    The camcorder uses a current of 1.4 A.

    P = VI

    I = P/V = 11 W/8 V = 1.4 A

    Note: The answer can have only one significant figure because that is all you gave for the voltage. However, I calculated the current to two significant figures.
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