An ideal heat pump and an ideal refrigerator operate between the same hot and cold spaces - AQA - A-Level Physics - Question 5 - 2017 - Paper 6
Question 5
An ideal heat pump and an ideal refrigerator operate between the same hot and cold spaces.
Which statement relating to the coefficient of performance (COP) is corre... show full transcript
Worked Solution & Example Answer:An ideal heat pump and an ideal refrigerator operate between the same hot and cold spaces - AQA - A-Level Physics - Question 5 - 2017 - Paper 6
Step 1
The COP of the heat pump must be greater than the COP of the refrigerator.
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Answer
This statement is correct. For ideal systems, the gain in the heat pump's performance compared to the refrigerator is based on their respective temperature gradients.
