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Three rods of the same dimension have th...

Three rods of the same dimension have thermal conductivity 3K , 2K and K. They are arranged as shown in the figure below

Then , the temperature of the junction in steady - state is

A

`200/3^@C`

B

`100/3^@C`

C

`75^@C`

D

`50/3^@C`

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The correct Answer is:
A
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