A conducting cylinder of length 2m has a charge of `100 mu C` and is surrounded by a medium of dielectric constant 3. Find the electric field intensity at a distance of 3m from the axis of the cylinder .

A conducting cylinder having charge density of 0.121 mu C/m^2 and radius 25 mm is surrounded by a medium of dielectric constant 4 . Find the electric field intensity at a distance of 1m from the axis of the cylinder .

A long cylinder of radius 2 cm carrying a charge of 5 mu C/m is kept in a medium of dielectric constant 10. Find the electric field intensity at a point situated at a distance 1m from the axis of cylinder.

A conductor having a charge density of 120 mu C/m^2 is surrounded by a medium of dielectric constant 4 . The electric intensity at a point very near the charged conductor is

A metal sphere of radius 1cm is charged with 3.14 mu C . Find the electric intensity at a distance 1 m from centre of metal sphere.

Show that electric intensity at a point outside a charged cylinder is inversely proportional to its distance from the axis of the cylinder.

Obtain an expression for electric field intensity at a point outside infinitely long charged conducting cylinder.

A sphere of radius1 0 cm carries a charge of 1 mu C . Calculate the electric field at a distance of 30 cm from the center of the sphere

A sphere of radius 10 cm carries a charge of 1 mu C . Calculate the electric field at a distance of 5 cm from the center of the sphere

A hollow conducting sphere of radius R has a charge +Q on its surface. What is the electric potential within the sphere at a distance r = R//3 from its centre.