( english version )
General Physics C ( 5 CFU )
Prof. Andrea Baraldi
     Tel. 0521-905234 - Fax. 0521-905223           E-mail. andrea.baraldi@unipr.it           Home page. http://www.fis.unipr.it/home/baraldi/

Finalità
The objective of the course is the knowledge of the fundamental laws of electromagnetism and optics.

Programma
static magnetic fields
introduction to magnetic interactions (see Mazzoldi p.227)
the magnetic field B; the magnetic force
Lorentz’s force; motion of charged particles in static electric and magnetic fields Hall effect
Cyclotron
Magnetic forces on conducting wires and rings
magnetic dipole moment
potential energy of a conducting ring in magnetic field

origin of the magnetic interaction
interactions between magnets and conducting rings
magnetic field due to a charges flux
The Biot-Savart’s law
Interactions between parallel conducting electric wires;
Electromagnetic gun
The Ampere’s law and magnetic field calculations

Faraday’s law
induced electric currents: Faraday’s law; Lenz’s law
e.m. induction and energy exchanges
induced electric fields
inductance; magnetic flux and induced current
self induced electromotive force;
RL circuits; magnetic energy density

magnetic fields inside the matter
calamite
the magnetic flux and the Gauss’s law for magnetic fields
terrestrial magnetic field
magnetic fields inside the matter; magnetism and electrons
magnetic materials: dia- para- and ferro-magnetic materials
induced magnetic fields; displacement current
Maxwell’s equations

time-dependent electromagnetic fields
LC oscillations and damping
a.c. currents
forced oscillations e resonance
RLC (series) circuits
electric power in a.c. circuits; transformers Electromagnetic waves – Types of electromagnetic waves
Maxwell’s equations – Plane waves – Poynting’s vector – The electromagnetic wave spectrum – The speed of light
Ray optics – Reflection and refraction – Lenses and mirrors – Lens systems
Wave optics and Huyghens’ principle – Interference of light – The double slit – Multiple slits –Interference in thin films – Michelson interferometer
Diffraction by narrow slit – Resolving power of a lens – Diffraction grating – Basic spectroscopy – x ray diffraction
Polarization of light – Polarizers – Wave retarders – Brewster angle

Attività d'esercitazione
Exercise sessions will be held during the course.

Modalità d'esame
It is required to pass both a written and an oral examination.

Propedeuticità
General Physics Parts A and B is a prerequisite. The course is calculus based.

Testi consigliati
Halliday, Resnick, Walker – Fundamentals of Physics – John Wiley & Sons

Testi d'approfondimento
P.Mazzoldi, M.Nigro, C.Voci – Fisica vol. II Elettromagnetismo - Onde. Ed. EdiSES
Serway-Beichner – Physics For Scientists and Engineers – Saunders College Publishing
Halliday-Resnick-Krane – Physics 2 – John Wiley & Sons
 
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