A circular ring carries a uniformly distributed positive charge and lies in the xy plane with center at the origin of the cooredinate system. If at a point (0,0,z) the electric field is E, then which of the following graphs is correct?

A circular ring carries a uniformly distributed positive charge .The electric field(E) and potential (V) varies with distance (r ) from the centre of thr ring along its axis as

A circular ring carries a uniformly distributed positive charge .The electric field(E) and potential (V) varies with distance (r ) from the centre of thr ring along its axis as

A circular ring carries a uniformly distributed positive charge .The electric field(E) and potential (V) varies with distance (r ) from the centre of thr ring along its axis as

A circular ring of radius R and uniform linear charge density +lamdaC//m are kept in x - y plane with its centre at the origin. The electric field at a point (0,0,R/sqrt(2)) is

A circular ring of radius R and uniform linear charge density +lamdaC//m are kept in x - y plane with its centre at the origin. The electric field at a point (0,0,R/sqrt(2)) is

A uniformly charged square plate having side L carries a uniform surface charge density sigma . The plate lies in the y - z plane with its centre at the origin. A point charge q lies on the x-axis. The flux of the electric field of q through the plate is phi0 , while the foce on the point charge q due to the plate is F_(0) , along the x-axis. Then,

A uniformly charged square plate having side L carries a uniform surface charge density sigma . The plate lies in the y - z plane with its centre at the origin. A point charge q lies on the x-axis. The flux of the electric field of q through the plate is phi0 , while the foce on the point charge q due to the plate is F_(0) , along the x-axis. Then,

A non conduction ring of raducs R Has uniformly distributed positive charge Q.A small part of the ring of length d, is removed (d lt lt R) . The electric field at the centre of the ring now be .