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in Physics by (33.4k points)
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What is the coefficient of performance (β) or a Carnot refrigerator working 30°C and 0°C?

1 Answer

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Best answer

Given:

T2 = 0°C = 273 K

T1 = 30°C = 273 + 30 = 303 K

β = ?

From the relation,

β = \(\frac{T_2}{T_1-T_2},\)

or,  β = \(\frac{273}{303-273}\) 

\(\frac{273}{30}\)

= 9.1

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