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Temperature difference of 120^(@)C is ma...

Temperature difference of `120^(@)C` is maintained between two ends of a uniform rod AB of length 2L. Another bent rod PQ, of same cross-section as AB and length`(3L)/(2)`, is connected across AB (See figure). In steady state, temperature difference between P and Q will be close to :

A

`45^@C`

B

`35^@C`

C

`60^@C`

D

`75^@C`

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The correct Answer is:
A
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