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

A

5000 W

B

1000 W

C

7500 W

D

3000 W