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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
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Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If by mistake voltmeter is connected in series and ammeter in parallel then
- A body of mass 4 kg is accelerated upon by a constant force travels
- When an electron beam passes through an electric field they gain kinetic energy.
- The dimensions of magnetic field intensity B are
- In vacuum, to travel distance d, light takes time t and in medium to travel distance
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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