Multiple Choice
A refrigerator has a coefficient of performance equal to 4.2.How much work must be done on the operating gas in the refrigerator in order to remove 250 J of heat from the interior compartment?
A) 60 J
B) 120 J
C) 250 J
D) 480 J
E) 1050 J
Correct Answer:
Verified
Correct Answer:
Verified
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