Two fixed point charges `+4e` and `+e` units are separated by a distance a. Where should a third point charge be placed for it to be in equilibrium?

Two fixed point charges +4q and +q units are separeted by a distance 'x'. Where should a third point charge- q_0 be placed for it to be in equilibrium?

Two fixed point charges + 4q and + q are separated by a distance d. Where should the third point charge be placed for it to be in equilibrium?

Two fixed point charge 4Q and 2Q are separated by a distance x. where should a third point charge q be placed for ti to be in equilibrium?

+4e and +e are two charges separated by a distance 'a' m.Where should be a third charge 'q' be placed so that it is in equilibrium?

Two points charges +4q and +q are separated by distance r, where should a third point charge Q be placed that the whole system remains in equilibrium

Two points charges +4 and +q are separated by distance r, where should a third point charge Q be placed that the whole system remains in equilibrium

Two point charges Q and - Q //4 are separated by a distance X . Then .

Two fixed point charges +9e and +4e are separated by a distance x.Where should a point charge be placed between the two charges, so that it is in equilibrium?

Two point metal charges -q and +2q are placed at a certain distance apart.Where should a third point charge be placed so that it is in equilibrium?