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Find the rate of heat flow through a cross section of the rod shown in figure...

Find the rate of heat flow through a cross section of the rod shown in figure...

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Grade:12

1 Answers

Arun
25758 Points
2 years ago
Let the thermal conductivity of the material of the rod is K.
From attached figure by similar triangles    
Heat resistance is given as    
Where A = area of circle  
Step 2:
Integrating both sides 
Step 3:
Rate of heat flow is given by,

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