Portale di Ateneo - En.Unibs.it

The course concerns electrostatic, electrodynamics, electromagnetism, optics and semiconductor physics topics.

ELECTRIC FIELD
Electric charge and Coulomb's law. Field and Electric Potential. Flow of vectors. Gauss' law. Charges on the metal conductors. Electric dipole field. Electric dipole in external electrostatic field. Electrostatic capacity. Capacitor. Capacitors in series and in parallel. Energy of a charged capacitor. Electric field in the presence of dielectric materials. Dielectric constant. Energy of the electrostatic field.

ELECTRICITY
Electromotive force. Electric current and current density. Electrical resistance and Ohm's law. Joule effect. Resistors in series and in parallel. Electromotive force, electric generators, direct current circuits

MAGNETIC FIELD
Magnetic field B. Motion of a charged particle in an electromagnetic field. Magnetic force on a current. Law of Biot-Savart. Ampere theorem. Laws of electromagnetic induction: Faraday's law and Lenz's law. Induced electric fields. Gauss' law for magnetism. Magnetic moments of atoms and molecules. Diamagnetic, paramagnetic and ferromagnetic materials. Magnetization. Transitional arrangements in an inductive circuit. Mutual induction and interactions between the current carrying circuits. Energy of the magnetic field.

MAXWELL'S EQUATIONS
Maxwell's equations. Displacement current. Continuity equation.

OPTICS
Geometrical Optics: Straight propagation of light. Image formation. Thin lenses and mirrors.

ELECTROMAGNETIC WAVES (Only ELELT)
Wave equation in vacuum. Plane electromagnetic wave with linear polarization. Wave's energy and Poynting theorem. Spherical, Cylindrical and circolar waves- EM Spectrum. Huygens-Fresnel theorem.

SEMICONDUCTOR PHYSICS (Only ELELT)
Semiconductor physics introduction. Dual nature of light. Semiconductor materials. Crystalline structure of solids. Energy bands and density of states. Transport: Drift Diffusion. PN junction in thermodinamic equilibrium. Ideal Diode. Schottky Diode and metal-semiconductor junctions.

APPLICATIONS OF PHYSICS (Only ELELT)
Experiments on some phenomena related to Experimental Physics