Two point charges `q` and `-q` are separated by a distance `2l`. Find the flux strength vector across the circle of radius R placed with its centre coinciding with the of line joining the two charges in the perpendicular plane.

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

Two point charges q and -q are separated by the distance 2l . Find the flux of the electric field strength vector across a circle of radius R .

Two point charges q and -q are separated by a distance 2a. Evaluate the flux of the electric field strength vector across a circle of radius R.

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 charge +q and -q are kept apart.then at any point on the right beisector of line joining the two charges

Two charge +aq and -q are kept apart. Then , at any point on the right bisector of line joining the two charge

Two equal charges q of opposite sign are separated by a small distance 2a ,The electric intensity E at a point on the perpendicular bisector of theline joining the two charges at a very large distance r form the line is

Two point charges q and -q are separated by the distance l , both being located at a distance l//2 from the infinite conducting plane. Find : (a) the modulus of the electric force acting on each charge, (b) the magnitude of the electric field strength vector at the midpoint between these charges.