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Two identical rods are joined at their m...

Two identical rods are joined at their middle points The ends are maintained at constant temperatures as indicated Find the temperature of the junction
.

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Under study state condition Let `theta` be the temperature of the juction
`(180-theta)/(R) = (theta-75)/(R)+(theta-50)/(R)+(theta-25)/(R)rArrtheta=82.5^(@)C` .
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