Questions
An electrical refrigerator abstracts 2000 calories from ice trays. The coefficient of performance is 4. Then the work done by motor in calories is
detailed solution
Correct option is D
β=Q1Q1âQ2=Q1WW=Q1β=20004=500 caloriesTalk to our academic expert!
Similar Questions
In a mechanical refrigerator, the low temperature coils of the evaporator are at -23°C and the compressed gas in t}le condenser has a temperature of 77°C. The coefficient of performance is
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