P. Mazzoldi, M. Nigro, C. Voci
Elementi di Fisica - Elettromagnetismo e Onde
Edises, Napoli
Mara Bruzzi, Esercizi di fisica ELETTROMAGNETISMO
societa' editrice Esculapio - Bologna
ISBN: 978-88-9385-028-5
2018
Learning Objectives
The course is intended to teach a scientific method for the analysis of
main physics phenomena
on the following themes: mechanics, thermodynamics
electromagnetism.
Prerequisites
1) Knowledge of High School Maths concepts,
2) ability to correctly use such concepts in calculus.
Teaching Methods
Lessons and assignments with solutions.
videos of lessons and solved exercises and exams are also avaiable on the module moodle unifi site.
Type of Assessment
written and oral exams for both Physics I: mechanics and
thermodynamics and Physics II:
electromagnetism and introduction to modern physics. Oral exam is not
compulsory if the
score of the relative written exam is equal or higher than 21/30.
written and oral exams for both Physics I: mechanics and
thermodynamics and Physics II:
electromagnetism and introduction to modern physics. Oral exam is
compulsory for physics 2 module.
Course program
Coulomb force, electrostatic field E, electrostatic field strength lines,
motion of a charged particle in a uniform electric field, continuous charge
distributions,
electrostatic energy, electrostatic potential, electric dipole.
Flux of the electrostatic field,
Gauss's law, application of Gauss's law.
Insulation and conductors, electrostatic induction,
Coulomb theorem, potential of a charged conductor in equilibrium.
Capacity, plane, cylindrical and spherical
capacitors, energy stored energy in capacitors.
Dielectric Materials
Polarization vector P, Displacement vector D, surface and volumetric
polarization charge,
Gauss law for dielectrics, dielectric constant,
dielectric susceptibility, capacitors with dielectrics.
Stationary electric current
Electrical current intensity, current density vector, continuity equation,
ohms law,
resistivity and electrical conductivity, resistance, electromotive force,
series
and parallel resistors, Kirchhoff's laws. Joule's Law. A simplistic model for
electrical conduction
Considerations for electrical conduction in solids. RC Circuits.
Magnetostatic in vacuum
Definition and properties of the magnetic field, Magnetic force acting on a
circuit.
Magnetic torque on a loop. Motion of a charged particle in a magnetic
field. Hall effect.
Magnetic field generated by current circuits, magnetic field produced by
infinite straight
solenoid, Biot-Savart law. Ampere's Law. Magnetic field flow, Gauss's law
for magnetism.
electromagnetic forces between current wires.
Magnetic materials
Magnetic permeability, magnetic susceptibility, diamagnetic and
paramagnetic materials,
magnetization vector M, H vector, ferromagnetic materials.
Variable fields in time
Faraday-Neumann's electromagnetic induction law. Lenz's Law . Induced
Electromotive force
and induced electric field. Examples: alternator, Foucault currents. auto
and mutual
induction coefficients L and M. Examples: L and M calculation for simple
circuits. RL Circuits.
Magnetic energy. Ampere-Maxwell Law. Maxwell's equations. Dalembert
plane wave equation.
Waveform, propagation speed, wave vector and wavelength. Plane and
spherical electromagnetic waves.
Energy and momentum of the electromagnetic waves. Electromagnetic
wave spectrum.