Four charges are arranged at the corners of a square ABCD, as shown. The force on a positive charge kept at the centre of the square is

Four charges are arranged at the corners of a square ABCD , as shown. The force on a =ve charge kept at the centre of the square is -

Four charges are arranged at the corners of a square ABCD as shown in the figure. The force on the charge kept at the ccentre O is

Four charges are arranged at the corners of a square ABCD as shown in the figure. The force on the charge kept at the ccentre O is

Four charges are arranged at the corners of a square ABCD as shown in the figure. The force on the charge kept at the centre O will be:

Four charges are arranged at the corners of a square ABCD as shown in the figure. The force on the charge kept at the centre O will be:

Four charges are arranged at the corners of a square ABCD as shown in the figure. The force on the charge kept at the centre O will be:

Four charges are arranged at the corners of a square ABCD , as shown in the adjoining figure, The force on a positive charge kept at the centre O is

Four charges are arranged at the corners of a square ABCD, as shown in the adjoining figure. The force on the charge kept at the centre O is