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19 November, 14:43

camcorder has a power rating of 14 watts. If the output voltage from its battery is 3 volts, what current does it use?

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  1. 19 November, 14:58
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    Power rating tells you the amount of electricity a particular device like a camcorder needs. The power, voltage and current are all related using the equation: P = IV.

    Therefore,

    P = IV

    I = P/V = 14 watts/3 volts = 4.67 A

    Thus, the current must be 4.67 Amperes for the camcorder.
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