Question

Q. 4 A wall has two layer A and B, each made of a different material. Both layers have the same thickness. The thermal conductivity of the material of A is twice that of B. Under thermal equilibrium, the temperature difference across the wall is 36°C. The temperature difference across layer A is (A) 6°C (B) 12°C (C) 10°C (D) 24°C​

Answer 1

Answer:

B is the correct option (B) 12°C