A neutral conducting spherical shell is kept near a charge `q` as shown .The potentilal at point `P` due to the induced charge is

Three conducting spherical shells have charges q,-2q and 3q as shown in figure. Find electric Potential at point P as shown in figure.

Three conducting spherical shells have charges q,-2q and 3q as shown in figure. Find electric Potential at point P as shown in figure.

A point charge q is placed at a distance d from centre of a uniformly charged conducting spherical shell of radius R and having charge Q as shown. Magnitude of electric field intensity at point P just inside the shell due to charge on shell is

A spherical shell of radius R has a charge +q units. The electric field due to the shell at a point

A conducting sphere that carries a total charge of -3q is placed at the centre of a conducting spherical shell that carries a total charged of +5q. The conductors are in electrostatic equilibrium. The charges on the inner and outer surfaces of the shell are respectively.

A conducting spherical shell is earthed. A positive charge +q_1 is placed at the center and another small positive charge +q_2 is placed at a distance r from q_1 . Ignore the effect of induced charge due to q_2 on the sphere. Then the coulomb force on q_2 is

A conducting spherical shell is earthed. A positive charge +q_1 is placed at the center and another small positive charge +q_2 is placed at a distance r from q_1 . Ignore the effect of induced charge due to q_2 on the sphere. Then the coulomb force on q_2 is

Consider an initially neutral hollow conducting spherical shell with inner radius r and outer radius 2r. A point charge +Q is now placed inside the shell at a distance r/2 from the centre. The shell is then grounded by connecting the outer surface to the earth. P is an external point at a distance 2r from the point charge +Q on the line passing through the centre and the point charge +Q as shown in the figure. The magnitude of the force on a test charge +q placed at P will be

A spherical shell of radius R has a charge +Q units. The electric field due to the shell at a point

Figure shows three concentric conducting spherical shells with inner and outer shells earthed and the middle shell is given a charge q . Find the charge distribution of sphere