An infinite line charge produces a field of `9xx10^(4) N/C` at a distance of 2cm. Calculate the linear charge density.

An infinite line charge produces a field of (9 * 10^4) NC^-1 at a distance of 2cm. Calculate the linear charge density.

Consider an infinitely long straight uniformly charged wire with linear charge density lambda To find the electric field at P (located at a distance r from the line of charge), describe an appropriate Gaussian surface.

Potential energy of a system of charges is directly proportional to the product of charges and inversely to the distance between them.Two point charges 3 x 10^(-8) C and - 2 x 10^(-8) C are separated by a distance of 15cm. At what point on the line joining the charges the potential is zero?

A point charge of + 10 mu c is at a distance of 5 cm directly above the centre of a square of side 10 cm as shown in figure. What is the electric flux through the square?

Two point charges of +5 xx 10^(-19)C and +20 xx 10^(-19)C are separated by a distance of 2m. Find the point on the line joining them at which electric field is zero. (Find the position of null point)

Two point charges of 2 xx 10^(-7)C are 1.0 cm apart. What is the magnitude of the field produced by either charge at the side of the other?

A charged particle having a charge of - 3 mu C is placed close to a sheet of charge having a surface charge density 5 xx 10^(-6) Cm^(-2) . The force between the particle and sheet of charge is

Consider an infinitely long straight uniformly charged wire with linear charge density lambda What is the net charge enclosed by the Gaussian surface ?