The coefficient of performance of a Carnot refrigerator working between 30⁰C and 0⁰C is

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The coefficient of performance of a Carnot refrigerator working between 30⁰C and 0⁰C is

Options

(a) 10
(b) 1
(c) 9
(d) zero

Correct Answer:

9

Explanation:

Coefficient of performance = K
.·. K = T₂ / (T₁-T₂) = 273 / (303-273) = 273 / 30 = 9.

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Topics: Thermodynamics (179)
Subject: Physics (2479)

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