Question:
Two rods A and B of different materials are welded together as shown in figure. Their thermal conductivities are K1 and K2. The thermal conductivity of the composite rod will be
Two rods A and B of different materials are welded together as shown in figure. Their thermal conductivities are K1 and K2. The thermal conductivity of the composite rod will be
Updated On: May 21, 2024
- \(\frac {K_1+K_2}{2}\)
- \(\frac {3(K_1+K_2)}{2}\)
- \(K_1+K_2\)
- \(3(K_1+K_2)\)
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The Correct Option is A
Solution and Explanation
The correct option is (A): \(\frac {K_1+K_2}{2}\).
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