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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 100Ω resistance and a capacitor of 100Ω reactance are connected in series
- An object is attached to the bottom of a light vertical spring and set vibrating.
- A choke is preferred to a resistance for limiting current in AC circuit because
- Two point objects of masses 1.5 g and 2.5 g respectively are at a distance of 16 cm
- A wire carrying current I has the shape as shown in adjoining figure. Linear parts
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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