Solve the foregoing problem for the case of two concentric spheres of radii `R_1` and `R_2` and temperatures `T_1` and `T_2`.

The figure shows a system of two concentric spheres of radii r_1 and r_2 are kept at temperature T_1 and T_2 , respectively. The radial rate of flow of heat in a substance between the two concentric spheres is proportional to

The figure shows a system of two concentric spheres of radii r_1 and r_2 are kept at temperature T_1 and T_2 , respectively. The radial rate of flow of heat in a substance between the two concentric spheres is proportional to

The figure shows a system of two concentric spheres of radii r_1 and r_2 are kept at temperature T_1 and T_2 , respectively. The radial rate of flow of heat in a substance between the two concentric spheres is proportional to

The figure shows a system of two concentric spheres of radii r 1 ​ and r 2 ​ and kept at temperature T 1 ​ and T 2 ​ , respectively. The radial rate of flow of heat in a substance between the two concentric spheres, is proportional to:

Figure shows a system of two concentric spheres of radii r_(1)" and "r_(2) at the temperatures T_(1)" and "T_(2) , respectively. The radial rate of flow of heat in a substance filled between the two concentric spheres is proportional to

The capacitance of two concentric spherical shells of radii R_(1) and R_(2) (R_(2) gt R_(1)) is

The capacitance of two concentric spherical shells of radii R_(1) and R_(2) (R_(2) gt R_(1)) is

A drop of water of surface area A and radius R at a temperature T breaks into two drops of area A_1 and A_2 , radii r_1 and r_2 and having temperatures T_1 and T_2 Then the incorrect statement is