Question

31. The thermal conductivity of copper is 4 times that of brass. Two rods of copper and brass having same length and cross-section are joined end to end. The free end of copper is at 0°C and the free end of brass is at 100 °C. The temperature of the junction is 2012 (1) (a) 20°C (b) 40°C (C) 60°C (d) 10°C​

Answer 1

Answer:

60°

Explanation:

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Answer 2

option A

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