The COP of a refrigerator decreases as the temperature of
Chapter 6, Problem 134P(choose chapter or problem)
Problem 134P
The COP of a refrigerator decreases as the temperature of the refrigerated space is decreased. That is, removing heat from a medium at a very low temperature will require a large work input. Determine the minimum work input required to remove 1 kJ of heat from liquid helium at 3 K when the outside temperature is 300 K.
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