One end of a 30-cm long aluminium rod is exposed to a temperature of 500 ℃ while the other end is maintained at 20 ℃. The rod has the diameter of 2.5 cm. If heat is conducted through the rod at the rate of 164.9J/s, calculate the thermal conductivity of aluminium of the aluminium rod.

Question

Alexis1415 · Answer

Welcome to QuestionCove! $$P=-kS \frac{ \Delta T }{ L }$$ $$P=164.9$$ \ ~~$$4=4.9\times10^{-4}m ^{2}, \Lambda T=-480 degrees C, l=0.3m$$ $$K=-\frac{ PL }{ S \Delta T}=210.3$$ I hope this helps you! Have a good day~~