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Question: Answered & Verified by Expert
The relation between efficiency $\eta$ of a heat engine and the coefficient of performance $\alpha$ of a refrigerator is
PhysicsThermodynamicsAP EAMCETAP EAMCET 2015
Options:
  • A $\eta=\frac{1}{1-\alpha}$
  • B $\eta=\frac{1}{1+\alpha}$
  • C $\eta = 1 + \alpha$
  • D $\eta = 1 - \alpha$
Solution:
2090 Upvotes Verified Answer
The correct answer is: $\eta=\frac{1}{1+\alpha}$
$\eta=\frac{1}{1+\alpha}$. This is the required relation.

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