A refrigerator has a coefficient of performance of 4. If the refrigerator absorbs 30 cal of heat from the cold reservoir in each cycle, the heat expelled (in cal) into the heat reservoir is

A. 40.5
B. 37.5
C. 36.5
D. 34.5
E. 22.5


Answer: B

Physics & Space Science

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Fill in the blank(s) with correct word

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