Three rods of the same dimension have th...

Three rods of the same dimension have thermal conductivity 3K, 2K and K as shown in the figure. The temperature of the junction in steady-state is

`(200)/(3)""^(@)C`

`(100)/(3)""^(@)C`

`75^(@)C`

`(50)/(3)""^(@)C`

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