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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: - When the disc rotates with uniform angulr velocity.Which of the following is not true?
- Two particles A and B having equal charges, after being accelerated
- A certain mass of Hydrogen is changed to Helium by the process of fusion
- Planck’s constant has same dimensions as those of
- A Si and a Ge diode has identical physical dimensions. The bandgap in Si is larger
Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When the disc rotates with uniform angulr velocity.Which of the following is not true?
- Two particles A and B having equal charges, after being accelerated
- A certain mass of Hydrogen is changed to Helium by the process of fusion
- Planck’s constant has same dimensions as those of
- A Si and a Ge diode has identical physical dimensions. The bandgap in Si is larger
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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