An infinite line charge produces a field of `9 xx 10^4 N//C` at a distance of 2 cm. Calculate the linear charge density.

An infinite line charge produces a field of 9xx 10^4 NC^-1 at a distance of 4 cm. Calcualte the linear charge density.

Calculate the formal charge on C in C Cl_4

Does the strength of electric field due to an infinity long line charge depend upon the distance of the obervation point from the line charge?

An electric dipole AB consists of charge +-5 separated by a distance of 2xx10^-3m The dipole is placed near a long line charge having linear charge density 4.5 xx 10^-4C m^-1 , such that the negative charge is at a distance OA = 2.5 cm from the line charge. Find the force acting on the dipole.

Can be body have charge of 4 xx 10^(-19) C

The electric field at a point due to a point charge is 20NC^-1 and the electric potential at the point is 10JC^-1 Calculate the distance of the point from the charge and the magnitude of the charge.