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Two rods A and B of same length and radi...

Two rods A and B of same length and radius are joined together. The thermal conductivity of A and B are 2K and K. Under steady state conditions, if temperature difference between the open ends of A and B is `36^(@)C`, the temperature difference across 'A' is

A

`12^(@)C`

B

`18^(@)C`

C

`24^(@)C`

D

`9^(@)C`

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AAKASH SERIES-THERMAL PROPERTIES OF MATTER-EXERCISE-2
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