Two charges each of +Q units are placed along a line. A third charge - q I placed between them. At what position and for what value of q, will the system be in equilibrium?

Two charges each of +q units are placed along a line. A third chare of -q/4 is placed midway between them. The system will

Two free point charges each of +4q and +q are placed at a distance a apart. Where should a third point charge Q be placed between them so that the entire system is in equilibrium?

Three charges each of value q are placed the corners of an equilaterla triangle. A fourth charge Q is placed at the centre of the triangle. For what value of Q, will the charges remain stationary? In this situation, how much work is done in removing the charges to infinity?

Two equal and similar charges are placed along a straight line. A third equal and similar charge is placed midway between the two charges. Then, the system, will:

Three charges each of value q are placed the corers of an equilaterla triangle. A fourth charge Q is placed at the centre of the triangle. If Q = -q, will the charges at the corners move towards the centre or fly away from it?

Two equal and similar charges are placed along a straight line. A third equal but opposite to the charges is placed midway between them. Then, system will

Two charges are placed a finite distance apart. If a glass slab is placed between them, force between them will:

Two identical point charges of charge Q are kept at a distance r from each other. A third point charge is placed on the line joining the above two charges, such that all the three charges are in equilibrium. Calculate the magnitude and location of the thrid charge.

A point charge q is placed at O as shown in figure. Is V_P - V_Q positive or negative when q