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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
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- SI unit of permittivity is
- An inductor 20 mH, a capacitor 50 μF and a resistor 40Ω are connected in series
- The p-type semiconductor is
- If a wire is stretched to four times its length, then the specific resistance
- If 20% of a radiactive element decays in 10 days, then amount of original material left
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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