Calculate the electric potential at the center of a square of side `sqrt(2) m`, having charges `100 muc, -50 muC, 20 muc and -60 muC` at the four corners of the square.

Find the electric field and potential at the centre of a square of side d = 10 cm. Four identical charges of q=2muC each are kept at the four corners of a square.

Find the electric field and potential at the centre of a square of side d = 10 cm. Four identical charges of q=2muC each are kept at the four corners of a square.

Calculate the potential at the centre of a square ABCD of each side sqrt2 m due to charges 2,-2,-3,and 6muC at four corners of it.

Calculate electrostatic potential energy stored in a system consisting of two point charges 100muC and 40muC separated by a distance of 9cm, in vacuum.

Four point charges q_(A) =2 muC, q_(B) = -5 muC, q_(C) =2 muC , and q_(D) = -5 muC are located at the corners of a square ABCD of side 10 cm. What is the force on a charge of 1 muC placed at the centre of the square ?

Four point charges q_A = 2 muC , q_B = -5 muC . q_c = 2 muC , and q_D = -5 muC are located at the corners of a square ABCD of side 10 cm. What is the force on a charge of 1 muC placed at the centre of the square?

Four point charges q_A= +5 muC, q_B = -5 muC, q_C = +5 muC, and q_D=-5muC are located at the corners of a square ABCD of side 10 cm. What is the force on a charge of 1 muC placed at the centre of the square?