Exam-style question
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What is the role of a heat sink in a refrigerator?.
- A.To absorb heat from the interior
- B.To release heat to the environment
- C.To increase the efficiency of the compressor
- D.To store cold energy
Model answer
What a good answer should say
- To release heat to the environment
Explanation
Why this works
In a refrigerator, the heat sink releases heat absorbed from the interior to the environment, allowing the refrigerator to maintain a lower temperature inside.
Common mistake
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