Four point charges are placed at the four corners of a square in the two ways (a) and (b) as shown figure.
Will the
Electric potential 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?

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 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?

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?

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?

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.

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

Three particles each of mass m are placed at the corners of a right angled triangle as shown in figure if OA=a and OB=b, the position vector of the centre of mass is: .

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.

If A and B are two square matrices of the same order, then A+B=B+A .