The figure shows a system of two concentric spheres of radii $r_{1}$ and $r_{2}$ and kept at temperatures $T_{1}$ and $T_{2}$ respectively. The radial rate of flow of heat in a substance between the two concentric sphere is proportional to

Question

TestHub · Accepted Answer

( dt dQ ​ ) = ( T 1 ​ − T 2 ​ ) ( r 2 ​ − r 1 ​ ) 4 π r 1 ​ r 2 ​ K ​

Physics - Heat & Thermo Question with Solution | TestHub

Options:

Doubts & Discussion