The electric field at position, →r, from a point charge, Q, located at the origin, is given by: →E=kQr2ˆr One can visualize an electric...The electric field at position, →r, from a point charge, Q, located at the origin, is given by: →E=kQr2ˆr One can visualize an electric field by using “field lines”. The field vector at any point in space has a magnitude that is proportional to the number of field lines at that point, and a direction that is tangent to the field lines at that point.
