Five point charges, each +q are placed on five vertices of a regular hexagon of side' l '. Find the magnitude of the resultant force on a charge –q placed at the centre of the hexagon.

Five point charges, each of value +q are placed on five vertices of a regular hexagon of side Lm. What is the magnitude of the force on a point charge of value -q coulomb placed at the centre of the hexagon?

Five point charges, each of value +q coul, are placed on five vertices of a regular hexagon of isde L meters. The magnitude of the force on the point charge of value -q coul, placed at the centre of the hexagen is…………….

Five point charge ( +q each) are placed at the five vertices of a regular hexagon of side 2a .what is the magnitude of the net electric field at the centre of the hexazon?

Three point charges each of value + q are placed on three vertices of a square of side a metre. What is the magnitude of the force on a point charge of value -q coulomb placed at the centre of the square?

The point charges are placed on the vertices of regular hexagon of side L as shown. Find the potential energy of the system of charges.

Three point charges q are placed at three vertices of an equilateral triangle of side a. Find magnitude of electric force on any charge due to the other two.

Eight point charges , each q , are placed on the vertices of a cube of side a . Find the potential energy of the system of charges.