GATE XE (Engineering Sciences) 2025 - Question 71

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Section: Thermodynamics | Marks: 1

Let 𝑇𝐻 and 𝑇𝐿 denote the absolute temperatures of high and low temperature reservoirs, respectively. The coefficient of performance of a reversible refrigerator operating between these two reservoirs is

  • A. 1 𝑇𝐻 𝑇𝐿−1
  • B. 1 1 −𝑇𝐻 𝑇𝐿
  • C. 1 𝑇𝐿 𝑇𝐻−1
  • D. 1 𝑇𝐿 𝑇𝐻+ 1

Answer: A. 1 𝑇𝐻 𝑇𝐿−1

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