Point charges each of magnitude Q are placed at three corners of a square as shown in the diagram. What is the direction of the resultant electric field at the fourth corner ?

Four charges are arranged at the corners of a square as shown in the figure. The direction of electric field at the centre of the square is along

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

Charges 1q, 2q, 3q and 4q are placed at the corners A,B,C and D of a square as shown in Fig. The direction of electric field at the centre of square is along :

Four charges Q-Q, Q-Q are placed at the corners of a square as shown . The potential is zero at points

Charges q, 2q,3q and 4q are placed at the corners A,B,C and D of a square as shown in the following figure. The directon of electric field at the centre of the square is along

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

Four point charge are placed at the corners of a square with diagonal 2a as shown. What is the total electric field at the center of the squre?

Four idential charges each of charge q are placed at the corners of a square .Then at the centre of the square the resultant electric intensity E and the net electric potential V are