Two point charges one of `+100 muC` and another of `-400 muC`, are kept 30 cm apart. Find the point of zero potential on the line joining the two charges.

Two point charges of magnitudes +100muC and -400muC are kept 30 cm apart. Find the point of zero potential on the line joining the two charges.

Two point charges of 100 mu C and another of -400 mu C , are kept 3.0 cm apart. Find the point where the electric field due to the two charges vanishes.

Two point charges of +10muC and +20muC are placed in free space 2 cm apart. Find the electric potential at the middle point of the line joining the two charges.

Two point charges of 5muC and 15 muC are placed in air 20cm apart. Find the electric potential at the middle point of the line joining the two charges.

Two tiny spheres carrying charges 1.5 muC and 2.5 muC are located 30 cm apart. Find the potential (a) at the mid-point of the line joining the two charges and (b). At a point 10 cm from this mid-point in a plane normal to the line and passing through the mid-point.

Two tiny spheres carrying charges 1.5 muC and 2.5 muC are located 30 cm apart. Find the potential (a) at the mid-point of the line joining the two charges and (b). At a point 10 cm from this mid-point in a plane normal to the line and passing through the mid-point.

Two points charges of +20 muC and + 80 muC are plaed 18 cm apart. Find the position of the point where electric field is zero.

Two point charges of - 16 muC and + 80 muC are placed 8 cm apart. Find the position of the point, where electric field is zero.

Two point charges of + 20 muC and - 80 muC are placed 18 cm apart. Find the position of the point where electric field is zero

Two tiny spheres carrying charges 1.5 muC and 2.5muC are located 30 cm apart. Find the potential and electrical field at the mid-point of the line joining the two charges.