Questions
Two cylinders of the same diameter, one. of iron and the other of silver, are placed in. close contact as shown in Fig. If the thermal conductivity of silver is 11 times that of iron the temperature of the interface A is approximately:
detailed solution
Correct option is D
∆Q∆t=KAgA(θ-0)l=KFeA(100-θ)lθ=8.50cSimilar Questions
Water can be heated in a cup of paper because:
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