railway RRB JE (CBT I + CBT II) Mock Test 2024 Refrigeration and Air Conditioning Refrigeration Cycles and Devices
The coefficient of performance of Carnot refrigerator is given by: [TL = Absolute temperature of low-temperature reservoir, TH = Absolute temperature of high-temperature reservoir]
1
\(\frac{{{T_L}}}{{{T_H} - {T_L}}}\)
2
\(\frac{{{T_L}}}{{{T_H} + {T_L}}}\)
3
\(\frac{{{T_H}}}{{{T_H} - {T_L}}}\)
4
\(\frac{{{T_H}}}{{{T_H} + {T_L}}}\)