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Three rods of material x and three of ma...

Three rods of material x and three of material y are connected as shown in figure. All the rods are identical in length and cross sectional area. If the end A is maintained at `60^(@)C` and the junction E at `10^(@)C` , calculate the temperature of the junction B. The thermal conductivity of x is `800Wm^(-1)`^(@)C^(-1)` and that of y is `400Wm^(-1)`^(@)C^(-1)` .

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