A hollow uncharged spherical conductor has inner radius A and outer radius b. A positive point charge +q is in the cavity at the center of the sphere (Fig. 3.48). Find the potential V( r) everywhere, assuming that `V = 0` at `r rarr oo`.
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A hollow conducting sphere of inner radius r and outer radius 2R is given charge Q as shown in figure, then the

A point charge q is placed inside a conducting spherical shell of inner radius 2 R and outer radius 3 R at a distance of R from the center of the shell. Find the electric potential at the center of the shell.

The potential of a charged spherical conductor of radius r is 10V. The potential at a point (r )/(2) from its centre is

A metallic spherical shell has an inner radius R_1 and outer radius R_2 . A charge Q is placed at the center of the spherical cavity. What will be the surface charge density on the inner surface ?

Inside a conducting hollow sphere of inner radius R_(1) and outer radius R_(2) , a point charge q is placed at a distance x from the center as shown in (Fig. 3.70.) Find. . (i) electric potential at C (ii) electric field and potential at a distance r from the center outside the shell.

A metallic spherical shell has an inner radius R_(1) and outer radius R_(2) . A charge is placed at the centre of the spherical cavity. The surface charge density on the inner surface is

A metallic spherical shell has an inner radius R_(1) and outer radius R_(2) . A charge is placed at the centre of the spherical cavity. The surface charge density on the inner surface is

A metallic spherical shell has an inner radius R_1 and outer radius R_2. A charge Q is placed at the center of the spherical cavity. What will be the surface charge density on the outer surface ?