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A uniform copper rod 50 cm long is insul...

A uniform copper rod 50 cm long is insulated on the sides, and has its ends exposedto ice and steam,respectively. If there is a layer of water 1 mm thick at each end, calculate the temperature gradient in the bar. The thermal conductivity of copper is `436 W m^(-1) K^(-1)` and that of water is `0.436 Wm^(-1) K^(-1)`.

A

60

B

40

C

50

D

65

Text Solution

Verified by Experts

The correct Answer is:
B
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