PROGRAMMA DI FISICA GENERALE 2 per il Corso di Laurea in ...

In Inglese
Elettrostatics in the vacuum
Electrical interactions and eletrical charge. Electrostatic induction. Law of Coulomb. Electrostatic
fieldc(different configurations). Lines of force. Stratum. Double Stratum. Motion of a charge in an
electrostatic field. Electric potential and electrostatic potential energy. Equipotenzial surfaces.
Electric dipole: force and energy in an external field. Theorem of Gauss in integral form: its
applications in case of spherical, cylindrical and plane symmetry. Ideal conductors (potential and
charge distribution). Theorem of Coulomb. Electrostatic shield. Capacitors (series and parallel).
Capacity of a conductor and of a capacitor (spherical, cylindrical and plane case). Energy of a
capacitor. Density of electrostatic energy.
Capter 1: Par. 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7. Capter 2: Par. 2.1, 2.2, 2.3, 2.4, 2.5, 2.7, 2.8. Capter 3:
Par.3.1, 3.2, 3.3. Capter 4: Par. 4.1, 4.2, 4.3, 4.4, 4.5.
Dielettrics
The dielectric constant. Polarization of dielettrics. Electrostatic general equations inpresence of
dielettrics. Mechanisms of molecular polarizations in gases, liquids and solids (short accounts).
Capter 4. Par. 6,7,8.
Electrical currents
Density and intensity of current. Law of Ohm in integral and local form. Resistance and resistivity.
Classical mode of the electric conductivity. Mobility of the electric charges in different conductors:
resistivity and temperature in metals and in semiconductors. Supeconductors. Resistances in series
and in parallel. Dissipation of power. Electromotive force. Charge and discharze of a capacitor.
Displacement current.
Capter 5: Par. 5.1, 5.2, 5.3, 5.4, 5.5, 5.6, 5.7, 5.8.
Constant magnetic field in the vacuum
Permanent magnets. Terrestrial magnetic field. Force of Lorentz. Magnetic force on a conductor
flowed by a current. IInd formula of Laplace. Force on a coil in a magnetic field. Magnetic moment
of a coil. Energy of a coil in a magnetic field. Equivalence theorem of Ampère. Motion of a particle
in a constant magnetic field. Law of Biot and Savart. Ist formula of Laplace. Magnetic field of a coil
non its axis. Forces between wires flowed by currents. Teorem of the circulation of Ampère.
Indefinite solenoid. Toroidal solenoid.
Capter 6: Par. 6.1, 6.2, 6.3, 6.4, 6.5, 6.7. Capter 7: Par. 7.1, 7.2, 7.3, 7.4.
Magnetic materials
Magnetic permeability and susceptibility. Mechanisms of magnetizzation. The law of Gauss for the
magnetic field. General equations of the magnetostatics. The diamagnetic, paramagnetic and
diamagnetic substances (gases, liquids and solids).
Capter 7: Par. 5,6,7,8.
Electrical and magnetic fields varying in the time.
Experiments of Faraday. Law of Faraday-Neumann-Lenz in integral form. Generalized electric
field. Coefficient of self-induction. Circuit RL in closing and opening. Energy of an inductance.
Energy density of the magnetic field. Law of Ampère-Maxwell. Equatioms of Maxwell in integral
form.
Capter 8: Par. 8.1, 8.2, 8.4, 8.5, 8.7, 8.8.
Elettromagnetic waves and physical optics