Determine the electric field at a distance r from a point charge.

Determine the potential at a distance r from a point charge +q. How can the potential at a point be determined due to a number of point charges?

Derive an expression for electric field intensity at a distance r from a point charge q.

A sphere of radius R carries charge such that its volume charge density is proportional to the square of the distance from the centre. What is the ratio of the magnitude of the electric field at a distance 2 R from the centre to the magnitude of the electric field at a distance of R//2 from the centre?

A sphere of radius R carries charge such that its volume charge density is proportional to the square of the distance from the centre. What is the ratio of the magnitude of the electric field at a distance 2 R from the centre to the magnitude of the electric field at a distance of R//2 from the centre?

The electrical potential at a certain distance from a point charge is 600V the electric field is 200N//C . The distance of the point charge is….m.

The electric potential at a certain distance from a point charge is 600V and the electric field is 200 N//C . The distance of the point charge (in metres) is:

The electric field at a distance 3R//2 from the centre of a charge conducting spherical shell of radius R is E . The electric field at a distance R//2 from the centre of the sphere is

The electric field at a distance 3R/2 from the centre of a charge conducting spherical shell of radius R is E. The electric field at a distance R/2 from the centre of the sphere is