Temperature of two ends are as shown in figure. As we move along the rod, temperature are as shown in following: 
A) \[{{K}_{1}}>{{K}_{2}}\]
B) \[{{K}_{1}}={{K}_{2}}\]
C) \[{{K}_{1}}<{{K}_{2}}\]
D) None of these
Correct Answer: A
Solution :
\[\frac{dH}{dt}=kA\frac{dT}{dx}\] \[\frac{dT}{dt}1<\frac{dT}{dx}2\] \[\Rightarrow \]\[{{K}_{1}}>{{K}_{2}}\]
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