ISRO Scientist or Engineer Mechanical 2020 Question 17

Question 17

A refrigerator with COP of 6 is used in a room at 300 K. Whatwill be the heat intake through a section of refrigerator wall of area $$100 cm \times 100 cm$$ with a thickness of 10 cm assuming only conduction? Value of thermal conductivity of the wall can be taken as 1 $$\frac{W}{cm}$$.K



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