Two points charges q and -2q are placed some distance d apart. If the electric field at the location of q is E, that at the location of -2q is

Two point charges Q and -3Q are placed at some distance apart. If the electric field at the location of Q is E then at the locality of -3Q , it is

The point charges Q and -2Q are placed at some distance apart. If the electirc field at the location of Q is E , the electric field at the location of -2Q will be

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 charges 4q and q are placed 30 cm. apart. At what point the value of electric field will be zero

Two point charges+ q and-q are placed at distanced apart. What are the points at which the resultant field is parallel to the line joining the two charges ?

Two point charges q and -2q are kept 'd' distance apart. Find the location of the point relative to charge q at which potential due to the system of charges is zero.

Two point charges 2q and 8q are placed at a distance r apart. Where should a third charge -q be placed between them so that the electrical potential energy of the system is a minimum

Two point charges +q and -q are placed a distance x apart. A third charge is so placed that al the three charges are in equilibrium. Then