Questions
A refrigerator absorbs 2000 cals of heat from ice trays. If the coefficient of performance is 4, then work done by the motor is
detailed solution
Correct option is A
β=Q2WW=Q2β⇒W=20004=500cal =500×4.2=2100JouleTalk to our academic expert!
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Coefficients of Performance of refrigerator and efficiency if it is working as a Carnot engine are and and according to given figure then correct option.
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