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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
- A coil of resistance 20 ohm and inductance 5H is connected with a 100V battery
- Two cars A and B moving with same speed of 45 km/hr along same direction.
- A wire in the form of a circular loop of one turn, carrying a current, produces
- Amout of heat required to raise the temperature of a body through 1 K is called its
- In a potentiometer experiment two cells of e.m.f. E₁ and E₂ are used in series
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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