Friday, 15 August 2014

thermodynamics - Why is a temperature gradient set up in a heated rod?



Suppose a cylindrical rod is maintained at 100 degree Celsius and the other at 0 degree Celsius. My book says that after reaching "Steady State" the rod will have developed a constant temperature gradient all throughout the rod.


Why does the rod reach a steady state shouldn't the rod keep absorbing heat until it reaches 100 degrees.


Assume the curved portion of the rod is perfectly insulated.





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