1.

One end of a copper rod of length 0.25m and area of cross-section 10^(-4) m^(2) is immersed in a liquid boiling at 125^(@)C whereas the other end is kept cold by dipping It in an ice-cold bath. Find (i) temperature gradient, (ii) the rate of heat transfer (iii) the temperature at a point 0.1m from the higher temperature end. (lamda of copper =92cals^(-1)m^(-1)K^(-1))

Answer»


ANSWER :`75^(@)C`


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