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    Heat, power, voltage, resistance, and time

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    The heating element of an electric hot plate, 26.5 ohms resistance, is connected across a 115 V circuit. How much heat will be developed in 10.0 seconds?

    A) between 1000 J an 2000 J

    B) less than 1000 J

    C) between 2000 J and 4000 J

    D) Over 4000 J


    The power dissipated by the heating element above is:

    A) less than 1000 W

    B) between 1000 W and 2000 W

    C) between 2000 W and 4000 W

    D) over 4000 W

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    Solution Preview

    R = 26.5 Ohms
    V = 115 Volts
    t = 10 seconds = 0.0027778 hours

    Part One:

    Heat is a form ...

    Solution Summary

    With good explanations and calculations, the problems are answered.