Two charges, one `+5 mu C` and another `-5 mu C` are placed 1 mm apart. Calculate the dipole moment.

Two charges, each of 5 mu C but opposite in sign, are placed 4 cm apart. Calculate the electric field intensity of a point that is a distance 4 cm from the mid point on the axial line of the dipole.

Two charges, each of 5 mu C but opposite in sign, are placed 4 cm apart. Calculate the electric field intensity of a point that is a distance 4 cm from the mid point on the axial line of the dipole.

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.

Two charges + 2 mu C and + 4 mu C are placed 0.1 cm apart. What is the ratio of the coulomb force acting on each of the two charges.

An electric dipole is formed by + 4 mu C and - 4 mu C charges at 5 m m distance. Calculate the dipole moment and give its direction.

An electric dipole is formed by + 4 mu C and - 4 mu C charges at 5 m m distance. Calculate the dipole moment and give its direction.

Two charges +5mu C and +10 mu C are placed 20 cm apart. The net electric field at the mid-point between the two charges is