Show that the electric voltage and the electric potential may be treated as two equivalent quantities - Define the electric voltage—work per unit charge—in the form of a line integral and show its independence on the integration path for conservative fields - Relate voltage to the potential energy of the electric field - Introduce three-dimensional potential distributions and realize the guiding function of metal wires - Formulate and understand major conditions of electrostatics of conductors - Visualize surface charge distributions in the electrostatic case