A refrigerator works on the principle of __________ law of thermodynamics.

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A refrigerator works on the principle of __________ law of thermodynamics.

Options:

A . Third

B . Second

C . Zeroth

D . First

Answer: Option B

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Question 1. The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ra....work. The units of __________ and COP are the same.

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