| ⇦ | 
| ⇨ |
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 common emitter amplifier is designed with n-p-n transistor (α=0.99).
- A ray enters a glass sphere of refractive index μ=√3 at an angle of incidence of 60⁰
- In which process, the P-V indicator diagram is a straight line parallel to volume
- If vectors A=cos wti + sin wtj and B= cos wt/2 i + sin wt/2 j are functions of time,
- A body is thrown vertically up with a velocity u.It passes three points A,B and C
Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A common emitter amplifier is designed with n-p-n transistor (α=0.99).
- A ray enters a glass sphere of refractive index μ=√3 at an angle of incidence of 60⁰
- In which process, the P-V indicator diagram is a straight line parallel to volume
- If vectors A=cos wti + sin wtj and B= cos wt/2 i + sin wt/2 j are functions of time,
- A body is thrown vertically up with a velocity u.It passes three points A,B and C
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