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The two ends of a uniform metallic rod a...

The two ends of a uniform metallic rod are maintained at `100^(@)C` and `0^(@)C` as shown in the figure. Assume that end of the rod at `100^(@)C` is at x = 0 and the other end at `0^(@)C` is at x = L. Plot the variation of temperature as x changes from 0 to L in steady state. Consider two cases.
(a) The rod is perfectly lagged.
(b) The rod is not lagged and surrounding is at `0^(@)C`.

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