Two point charges `+10nC` and `-10nC` are separated by a distance of 0.02m. Calculate the electric field intensity at a point P on the axis of the dipole at 0.01 from `+10nC`.

Two point charges +20nC and -20nC are separated by a distance of 0.10m. Calculate the electric field intensity at a perpendicular distance 0.10 m from the centre of a dipole.

Two point charges -2nC and +8nC are separated in air by a distance of 0.10m.Find the position of the neutral point along the line joining the 2 point charges.

Two point charges 0.01muC and -0.01muC are place 10 cm apart in vacuum. Calculated the magnitude of electric field intensity at the middle point of the line joining the charges and mention its direction.

Four point charges +2nC,-3nC,+4nC,-5nC are placed at the vertices A,B,C,D of a square ABCD of side 0.2 m respectively. Calculate the electric field intensity at a point of intersection of the diagonals.

Two particles A and B, having opposite charges 2.0xx 10^(-6) and -2.0 xx10^(-6) C , are placed at a separaton of 1.0 cm.(a) write down the electric dipole moment (b) Calculate the electric field at a point on the axis of the dipole 1.0 m away from the centre. (c ) Calculate the electric field at a point on the perpendicular bisector of the dipole and 1.0 m away from the centre.

Two particles A and B, having opposite charges 2.0xx 10^(-6) and -2.0 xx10^(-6) C , are placed at a separaton of 1.0 cm.(a) write down the electric dipole moment (b) Calculate the electric field at a point on the axis of the dipole 1.0 m away from the centre. (c ) Calculate the electric field at a point on the perpendicular bisector of the dipole and 1.0 m away from the centre.

Two charges +0.2 mu mu C and -0.2 mu mu C are placed 10^(-6) cm apart. Calculate electric field at an axial point at a distance of 10 cm from their middle point.