Also called a magnetic field, it is the area around electricity where magnetic forces are produced. When electricity flows through a wire, it causes the wire to turn into a magnet. The more wire, or t [..]

Created by voltage. Anytime something electric is plugged in it has an electric field, even if it is not in use. An electric field, in some instances, can be felt when the hair on your neck stands up during a lightning storm, for example. An electric field can be blocked by trees, walls, or buildings.