A wall has two layers A and B made of different materials. The thickness of both the…
Physics · NEET · NTA Exams — Properties of Solids and Liquids
A wall has two layers A and B made of different materials. The thickness of both the layers is the same. The thermal conductivity of A and B are KA and KB such that KA = 3KB. The temperature across the wall is 20°C. In thermal equilibrium
- The temperature difference across A=15°C
- The temperature difference across A=5°C
- The temperature difference across A is 10°C
- The rate of transfer of heat through A is more than that through B
Answer
(C) The temperature difference across A is 10° C
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