Teacher
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POMPEO NICOLA
(syllabus)
Electric field in vacuum - Coulomb's law and electric charge. - The conservative nature of electric fields. Electrostatic potential. - Gradient and curl - The electrostatic dipole. - Flux of a vector field. Gauss theorem. Divergence of a vector field. - Poisson’s and Laplace’s equations.
Electric field and matter - Conductors. Coulomb's theorem. Faraday cage. - Capacitors. Energy density of the electrostatic field. Series and parallel connection. - Electrostatics of dielectrics. Polarization charges. Permittivity.
Direct electric current - Electric conduction. Current density. - Continuity equation. Stationary electric currents. Solenoidal fields. - Drift and thermal velocity in a conductor. Electric resistance and Ohm's law. - Electromotive force and electric generators. - Electrical circuits in dc. Kirchhoff's laws.
Magnetic field in vacuum - Properties of the magnetostatic field. Lorentz force. Biot-Savart law. Ampère's law. - Force on conductors in magnetic fields. Magnetic dipole. - Motion of charges in electric and magnetic fields. - Maxwell's equations in the stationary case.
Magnetic field and matter - Magnetic properties of matter. Fundamental equations of magnetostatics.
Electromagnetic induction - Faraday's experiments. Law of electromagnetic induction. - Applications of Faraday's law. - Self and mutual induction. Magnetic energy. - Alternating voltages and currents. - Capacitors and inductances in alternating current circuits. RLC circuits. Resonance. - Ampere-Maxwell equation. - Laws of the electromagnetic field. Propagation of the electromagnetic field - Maxwell's equations in free space: propagating electromagnetic fields. - Plane waves. Spherical waves. The energy conservation law. - Poynting vector. Joule effect and Poynting vector. Momentum of the electromagnetic field. Radiation pressure. - Reflection. Refraction. Geometrical optics. Optical instruments. - Interference. Diffraction.
Radiation and matter - Black-body radiation. - Photoelectric effect. - Early models of the atom. Spectral lines. - Wave-particle duality (brief notes).
(reference books)
P. Mazzoldi, M. Nigro, C. Voci, "Fisica Vol. II: Elettromagnetismo e Onde", terza edizione, Edises, Napoli
(*) Notes on selected arguments are also available on the course website
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