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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)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If R is the radius of earth, the height at which the weight of a body 1/4 of its weight
- A small object of uniform density rolls up a curved surface with an initial velocity
- If the value of potential in an A.C circuit is 10 V, the peak value of potential is
- A soap bubble is charged to a potential 12V. If its radius is doubled,
- A particle is kept at rest at the top of a sphere of diameter 42m.When disturbed slightly
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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