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15 June, 19:52

The output of a mobile phone charger is labelled '5 V, 1 A, 5 W'. How much electrical energy will be supplied by the charger when it runs steadily for ten minutes?

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  1. 15 June, 20:06
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    5W

    Explanation:

    Power = Voltage * current

    Voltage = 5v

    Current = 1A

    Power = 5*1 = 5w

    Since the charger is used for 10minutes, the power used is 5Wh.
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