Electrostatics is the branch of physics which deals with the charges......................? If the distance between the two charged bodies is halved, the force between then becomes? Two charges are placed at a certain distance. If the magnitude of each charge is doubled, the force will become? Positive electric charge is a type of charge on a rod which has been rubbed with silk and which is made of? Difference in potential is measured in? A metallic conductor conducts electricity because it contains large number of essential free? The measure of the ability of a conductor to store charge is called?