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31 October, 10:59

2. Determine the current in a 120-watt bulb plugged into a 120-volt outlet.

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  1. 31 October, 12:16
    0
    1 ampere

    Explanation:

    Power = VI

    V = voltage

    I = current

    Given

    Power = 120 watts

    V = 120 volts

    Therefore

    120 = 120 x I

    Divide both sides by 120

    120/120 = 120/120 x I

    1 = I

    I = 1 ampere
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