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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 A=3i+4j and B=7i+24j the vector having the same magnitude as B and parallel to A is
- Which of the following measurement is most precise?
- Two identical flutes produce fundamental notes of frequency 300 Hz at 27° C
- A transformer having efficiency of 90% is working on 200 V and 3kW power supply
- Heat produced in a resistance according to which law?
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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