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The coefficient of performance of a refrigerator is 5. If the temperature inside freezer is -20⁰C, the temperature of the surroundings to which it rejects heat is
Options
(a) 11⁰C
(b) 21⁰C
(c) 31⁰C
(d) 41⁰C
Correct Answer:
31⁰C
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - Two metallic spheres of radii 1 cm and 3 cm are given charges of -1 x 10⁻² C
- The self-inductance of a choke coil is 10 mH. When it is connected with a 10 V DC source,
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Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two metallic spheres of radii 1 cm and 3 cm are given charges of -1 x 10⁻² C
- The self-inductance of a choke coil is 10 mH. When it is connected with a 10 V DC source,
- Charge Q is divided into two parts which are then kept some distance apart. The force
- A stone is dropped from a height h. It hits the ground with a certain momentum P. If the same stone is dropped from a height 100
- If A=3i+4j and B=7i+24j the vector having the same magnitude as B and parallel to A is
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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