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March 29, 2017

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A 100-Watt light bulb plugged into a 120-Volt outlet is left on for 60 seconds. How much energy (in Joules) is used up by the bulb during this time?

  • Physics - ,

    Forget the voltage. It doesn't matter.

    Power(W) x time(s) = energy
    in Watt-seconds (Joules)

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