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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A 0.01 H inductor and √3 πΩ resistance are connected in series
- The e.m.f. of a battery is 2 V and its internal resistance is 0.5 Ω. The maximum
- Volume of gas becomes four times if temperature becomes
- Heat is not being exchanged in a body. If its internal energy is increased, then
- At what angle should the two forces 2P and √2 P act,so that the resultant force is P√10?
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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