PHYSICS II

UNIVERSITY OF CATANIA

College of Engineering

Degree in Civil and Environmental Engineering (M - Z)

Physics II program

A.A. 2016 - 2017 Professor Concetta SUTERA

ELECTROSTATICS

Electric charge: properties. Conductors and insulators. Coulomb's law. electric field of a point charge. electrical charge distributions field. The electric field lines. Motion of a charged particle in an electric field. Flow of the electric field and Gauss's law. Conductors in electrostatic equilibrium. electric potential and potential energy. Potential and potential energy of discrete and continuous distributions of charged. Potential gradient. Millikan experiment. electrostatics applications: the Van de Graaff generator. Capacitors and capacity. Connection of capacitors. Energy of the electric field. Dielectric: atomic description and polarization. Capacitors with dielectric.

ELECTRICITY STATIONARY

Intensity and current density. Microscopic of the current model. Resistance and Ohm's law. Resistance, resistivity and temperature dependence. Superconductors. Energy and electric power. Electromotive force. Resistors in series and parallel. Kirchhoff's laws. RC circuit: charge and discharge of a capacitor. Ammeter and voltmeter.

MAGNETISM

magnetic fields and magnetic forces. of the magnetic field force lines. Lorentz force. Motion of charged particles in a magnetic field and applications: the Cyclotron. Forces on current-carrying conductors. mechanical moment of a current loop traversed. magnetic field of steady currents. The law of Biot and Savart. magnetic force between two parallel conductors. Ampere's law. Magnetic field of a solenoid. Gauss' law for magnetism. The magnetism in matter: the magnetic moment of the atoms. The Earth's magnetic field (notes).

ELECTROMAGNETIC INDUCTION

Electromotive force induced. Faraday's law and Lenz. induced electric fields. AC generator. Self-induction and inductance. Inductance of a solenoid. RL circuits. Energy and energy density in a magnetic field. Mutual induction. The RLC circuit.

AC

AC forces. the mean value and effective of an alternating quantity. Oscillations in a series RLC circuit. Resonance. The transformer.

ELETTROMAGNATICHE WAVES AND MAXWELL EQUATIONS

Description of a wave. differential equation of plane waves. Transverse and longitudinal waves. Intensity of a wave. Sound waves. displacement current and generalized Ampere's law. Maxwell equations and flat electromagnetic waves. Spectrum of electromagnetic waves. Intensity of the electromagnetic waves.

GEOMETRIC OPTICS

The nature of light. Speed ​​of light and methods of measurement. Laws of reflection and refraction. total reflection. The principle of Huygens. Images formed by flat and spherical mirrors. Images formed by refraction. thin lenses and applications

PHYSICS OPTICS

Interference between two coherent point sources. Young's experiment. intensity distribution in the interference pattern by double slit. The Michelson interferometer. Diffraction from single slit. Resolution of circular openings. Polarization of light waves.
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