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In above diagram, a combined rod is form...


In above diagram, a combined rod is formed by connecting two rods of length `l_(1)` and `l_(2)` respectively and thermal conductivity `k_(1)` and `k_(2)` respectively. Temperature of ends of rods are `T_(1)` and `T_(2)` constant, then find the temperature of their contact surface ?

Text Solution

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`T_(x)=(k_(1)l_(2)T_(1)+k_(2)l_(1)T_(2))/(k_(1)l_(2)+k_(2)l_(1))`
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