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    Power Consumption of a refrigerator

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    The Electric Meter in a House indicates that the refrigerator consumes 70.0 kWh in a week.

    a. What is the power consumption of the refrigerator?

    b. Assuming it is connected to a potential difference of 120V, how much current does the refrigerator draw?

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    Solution Preview

    a. what is the power consumption of the refrigerator?

    1 kWh=1000 W x 3600 seconds= 3,600,000 Joules
    Therefore 70.0 kWh= 252,000,000 Joules

    In a week there are 24x7x3600 seconds = 604800 ...

    Solution Summary

    Calculates power consumption of a refrigerator, current drawn by a refrigerator.