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Three rods A, B and C of the same length...

Three rods A, B and C of the same length and same cross-sectional area are joined as shown. Their thermal conductivities are in the ratio 1:2:3/2. If the open ends of A and C are at `200^@`C and `18^@`C, respectively, then the temperature at the junction of A at steady state is

A

`156^@C`

B

`148^@C`

C

`116^@C`

D

`74^@C`

Text Solution

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The correct Answer is:
C
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