A refrigerator removes 400 J from inside using 100 J of work. Its coefficient of performance is:
- 0.25
- 5
- 4
- 8
Answer
C) 4
K = QCW = 400100 = 4. SLO P-11-C-17 · Understanding
Physics MCQ · More Heat Engines, Second Law and Entropy MCQs · Practise
C) 4
K = QCW = 400100 = 4. SLO P-11-C-17 · Understanding
Physics MCQ · More Heat Engines, Second Law and Entropy MCQs · Practise