Static Fields and Potentials

Gravitational and electric forces and fields: The story of planetary motion. Gravitational forces and fields. A first look at charge. Electric forces and fields. Applications of electric fields. Gravitational and electric potential: Where does a star's energy come from? Potential energy. Gravitational and electric potential. Capacitance and energy storage in electric fields. Applications of potential and potential energy. Electric currents: An electric world. What is an electric current? Currents in simple circuits. Power, internal resistance and electromotive force. Currents in the everyday world. Magnetic fields and the Lorentz force law. The magic of magnetism. The magnetic field. The generation of magnetic fields. Magnetic materials. Consolidation and skills development. Answers and comments.