Which one of the following graphs represents the variation of electric field with distance r from the centre of a charged spherical conductor of radius R?

An isolated non-conducting solid sphere of radius R is given an electric charge. The charge is uniformly distributed in the volume of sphere. The graph which shows the correct variation of magnitude of electric field with distance from the centre of the sphere is

A solid sphere of radius R has a charge +2Q . A hollow spherical concentric with the first sphere that has net charge -Q. (a) Find the electric field between the spheres at a distance r from the centre of the inner sphere. [R ltr lt3R] (b) Calculate the potential difference between the spheres. (c) What would be the final distribution of charges, if a conducting wire joins the spheres? (d) Instead of (c), if the inner sphere is earthed, what is the charge on it?

Figure shows two concentric shells of radii a and b uniformly distributed charges q and -q. Which of the following graphs gives correct variation of electric field intensity E with the distance r from the centre?

A hollow charged metal sphere has radius r. IF the potential difference between its surface and a point at distance 3r from the centre is V, then the electric field intensity at distance 3r from the centre is

For a uniformly charged non conducting sphere of radius R which of following shows a correct graph between the electric field intensity and the distance from the centre of sphere –

A hollow metal sphere of radius R is uniformly charged The electric field due to the spehre at a distance r from the centre