| ⇦ |
| ⇨ |
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: - 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
- 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
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends

Leave a Reply