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17 February, 10:53

How many amps does a 60 watt light bulb use when it's powered by 120 volts

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  1. 17 February, 11:06
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    Power = (voltage) x (current)

    Divide each side by 'voltage': Current = power / voltage

    = (60 watts) / (120 volts) = 0.5 ampere
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