AP EAMCET · PHYSICS · Thermodynamics
A refrigerator with coefficient of performance releases of heat to a hot reservoir. The work done on the working substance is
- A
- B
- C
- D
Answer & Solution
Correct Answer
(C)
Step-by-step Solution
Detailed explanation
Given, Coefficient of performance, Q2W=0.25=14 ⇒Q2=W4 Q1=Q2+W ⇒Q1=W4+W ⇒W=25045=200 J
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