There are two concentric spheres of radius a and b respectively. If the space between them is filled with medium of resistivity `rho`, then the resistance of the intergap between the two spheres will be (Assume `bgta`)

Two concentric spheres of radii a and b have a space in between the spheres which is filled with a material of resistivity rho . Resistance of the intermediate material is

Space between tow concentric spheres of radii r_(1) and r_(2) such that r_(1) lt r_(2) is filled with a material of resistivity rho . Find the resistance between inner and outer surface of the material

Space between tow concentric spheres of radii r_(1) and r_(2) such that r_(1) lt r_(2) is filled with a material of resistivity rho . Find the resistance between inner and outer surface of the material

A metal ball of radius a is surrounded by a thin concentric metal shell of radius b . The space between these electrodes is filled up with a poorly conducting homogenous medium of resistivity rho . Find the resistance of the interelectrode gap. Analyse the obtained solution at b rarr oo .

A spherical condenser has innder and outer spheres of radii a and b respectively. The space between the two is filled with air. The difference between the capacities of two condensers formed when outer sphere is earthed and when inner sphere is earthed will be

The volume of the regtion between two concentric spheres of radii 2 and 5 is