Three charges, each equal to q, are placed at the three corners of a square of side a. Find the electric field at the fourth corner of the square.

Four charges of +4,-3,+2 and +3 coulomb are placed at the corners of a square of each side 1m. Find the electric field at the centre of the square. Given = epsilon_0 = 8.85 xx 10^-12 C^2N^-1m^-2

Four point charges are placed at the four corners of a square in the two ways as shown in the fig. Will the electric field at the centre of the square, be the same or different in the two configurations and why?

Four point charges are placed at the four corners of a square in the two ways as shown in the fig. electric potential at the centre of the square be the same or difference in the two configurations and why?

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.

Four point charges Q, q, Q and q are placed at the corners of a square of side 'a' as shown in the figure. Find the resultant electric force on a charge Q?

Four point charges Q, q, Q and q are placed at the corners of a square of side 'a' as shown in the figure. Find the potential energy of this system?

An electric charge q is placed at one of the corner of a cube of side a . The electric flux on one of its faces will be

Shown in the figure four point charges at the corners of a square of side 2 cm. Find the magnitude and direction of the electric field at the centre O of the square, if Q = 0.02 muC Use 1/(4piepsilon_0) = 9 xx 10^9 N m^2 C^-2

Four point charges 16muC, - 16muC, 16muC and -16muC are located at the corners of a square of each side 10 cm. Find the vlaue of electric field intensity and electric potential at the centre of the square.

Five charges, q each, are placed at the corners of a regular pentagon of side a as shown in the figure. What will be the electric field at O, the centre of the pentagon? What will be the electric field at O, fi the charge from one of the corners (Say A) is removed? What will be the electric field at O, if the charge q at A is repalced by - q?