Topics: electrostatic field, conductor, electrostatic induction, capacitor, electrostatic, dielectric material, electric polarization, electric flux density, boundary conditions, steady current, ohm's law, electromotive force, Kirchhoff's law, current, magnetic flux density, Biot-savart law, superconductors, inductance, coils, magnetic energy, magnetic force, magnetic material, magnetization, magnetic field, electromagnetic induction, induction law, skin effect, displacement current, electromagnetic potential, Poynting vector, electromagnetic wave, wave guide, spherical wave, retarded potential, Maxwell's equation