charges of `20nC` each are placed at the corners A and B of a square ABCD of side `sqrt(8)cm` and charges of `-10nC` at the corners C and D. find the potential at the centre of the square.

Three point charges, each having a charge +10 C are placed on the three cornes A, B and C of a square ABCD having each side of length sqrt8 m. Find the electric field at the centre of the square.

A charge Q is placed at each corner of a cube of side a. The potential at the centre of the cube is

A charge Q is placed at each corner of a cube of side a. The potential at the centre of the cube is

Four point charges are placed at the corners of a square of side l. Calculate potential at the centre of square.

Four point charges are placed at the corners of a square of side l. Calculate potential at the centre of square.

A square of side 1.3 m has charges +12 nC, -24nC, +31nC and +17nC at its corners. Calculate the electric potnetial at the centre of the square.

Charges 2mC, 4mC and 6mC are placed at the three corners A, B and C respectively of a square ABCD of side x metre. Find, what charge must be placed at the fourth corner so that the total potential at the centre of the square is zero.

Charges 5mC, 4inC and 6mC are placed at the three corners A, B and C respectively of a square ABCD of side X metre. Find, what charge must be places at the fourth corner so that the total potential at the centre of the square is zero.