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March 28, 2017

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an electric heating element is conneceted to a 110V circuit and a current of 3.2 a is flowing through the element. How much energy is used up during a period of 5 hours by the element?

  • physics - ,

    Energy= Power * time= VI*time

    convert 5 hrs to seconds, and energy will be in joules.

    If you leave time in hours, you can get energy in watt-hours, and convert that answer to kilowatt-hours if you wish.

  • physics - ,

    1760

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