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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Three rods made of same material and having same cross-section have been joined as shown in figure. Each rod is of same length. The left and right ends are kept at 0 ∘ C and 90 ∘ C respectively. The temperature of the junction of the three rods will be

Three rods made of same material and having same cross-section have been joined as shown in figure. Each rod is of same length. The left and right ends are kept at 0 ∘ C and 90 ∘ C respectively. The temperature of the junction of the three rods will be

A wall has two layers A and B each made of different materials. Both the 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 the layer A is