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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.
Related Questions: - If two soap bubbles of different radii are connected by a tube
- One-fourth length of a spring of force constant K is cut away. The force constant
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Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If two soap bubbles of different radii are connected by a tube
- One-fourth length of a spring of force constant K is cut away. The force constant
- A vibration magnetometer placed in magnetic meridian has a small bar magnet
- Which of the following combinations should be selected for better tuning of an L-C-R
- A spherical drop of mercury having a potential of 2.5 v is obtained as a result
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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