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  • For a rod of length '' , area of cross-section 'A, and Thermal conductivity as K the thermal resistance R

For a rod of length 'l' , area of cross-section 'A, and Thermal conductivity as K the thermal resistance R is given as

Option: 1

R=\frac{l}{K A}


Option: 2

R=\frac{l^2}{K A}


Option: 3

R=\frac{K}{l A}


Option: 4

R=\frac{A}{lK }


Answers (1)

best_answer

As we learned

 

 

From the Electrical Analogy for Thermal Conduction -

 

For a rod of length 'l' , area of cross-section 'A, and Thermal conductivity as K

Thermal resistance is defined as R=\frac{l}{K A}

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Sayak

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