Two point charges of `1muC and -1muC` are separated by a distance of 100 Å. A point P is at a distance of 10 cm from the midpoint and on the perpendicular bisector of the line joining the two charges. The electric field at P will be

Two positive charges of magnitude 4 C and 6 C are placed 10 cm apart . The electric potential at a distance of 10 cm from the middle point on the right bisector of the line,joining the two charges is

Two point charges +10muC and -10muC are separated by a distance of 40cm in air. Draw an equipotential surface for the system.

Two point charges q and -q is placed at a distance 2a apart.Calculate the electric field at a point P situated at a distance r along the perpendicular bisector of the line joining the charges. What is the electric field when r gtgt a ? Also, give the direction of electric field W.r.t. electric dipole moment? .

Two point charges 4 mu C and -2 muC are separated by a distance of 1 m in air. At what point on the line joining the charge is electric potential zero?

Two charges equal to +20 muC and -10muC are placed at points 6 cm apart. Find the value of the potential at a point distant 4 cm on the right bisector of the line joining the two charges.

Two point charges of 5muC and 20muC are separated by a distance of 2 m. Find the point on the line joining them at which electric field intensity is zero.

Two point charges +5muC and -2 muC are kept at a distance of 1m in free space. The distance between the two zero potential points on the line joining the charge is

Two equal charges q of opposite sign are separated by a small distance 2a ,The electric intensity E at a point on the perpendicular bisector of theline joining the two charges at a very large distance r form the line is