A sphere of radius R has a charge density `sigma`. The electric intensity at a point at a distance r from its centre is

Consider a thin spherical shell of radius R consisting of uniform surface charge density sigma . The electric field at a point of distance x from its centre and outside the shell is

Consider a sphere of radius R and cylinder of length L. If both have same charge density sigma and E_(s) and E_(c) are electric intensity at a point at a distance r from axis of sphere and cylinder respectively, then E_(s) equal to

An insulated sphere of radius r haas a uniform volume charge density lambda . The electric field at a point A , which is at distance r from its centre is given by (R gt r)

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

A sphere of radius R has a uniform distribution of electric charge in its volume. At a distance x from its centre, for x lt R , the electric field is directly proportional to

If sigma is surface density of charge on the charged cylinder of radius R, then electric intensity E at outer point at a distance r from its axis is