MCQOPTIONS
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| 1. |
A refrigerator with COP of 5 is used in a room at 300 K. What will be the heat intake through a section of refrigerator wall of area 100 cm × 100 cm with a thickness of 10 cm, assuming only conduction? Value of thermal conductivity of the wall can be taken as 1 W/cm.K |
| A. | 50000 W |
| B. | 1000 W |
| C. | 7500 W |
| D. | 3000 W |
| Answer» B. 1000 W | |