Fisica 2 (Introductory Classical Electrodynamics)
Problems and Solutions
(Part I - electrostatics, magnetostatics, magnetic induction)
Coulomb explosions
Coulomb explosions in plane and cylindrical geometry
Plasma oscillations
Mie oscillations
Energy of a charged sphere
Energy of charged cylinders
A test of the neutrality of matter
Collision of two charged spheres
Electrostatic energy of charges in front of conducting planes
Point charge in front of a conducting sphere
Electrostatic induction in Coulomb's experiment (REVISED 26/10/2022)
A charge inside a conducting shell
A solution looking for a problem
A charged wire in front of a cylindrical conductor
Dipoles and spheres
Electrically connected spheres
An electric potential problem in 2D
The force between the plates of a capacitor
Electrostatic pressure on a conducting sphere
Debye screening
Some properties of the Thomson atom
An artificial dielectric
Dielectric sphere in an external field
Refraction of field lines in a dielectric
Contact force between a conducting slab and dielectric plane
A conducting sphere between two dielectrics
A dielectric slab sliding inside a capacitor (NEW! added 18/11/2021)
Measuring the dielectric constant of a liquid
A conducting cylinder immersed in a dielectric liquid
Charge decay in a lossy spherical capacitor
Charge relaxation in a conducting sphere
Electrical resistance between two spheres
Dielectric barrier discharge
The Tolman and Stewart experiment (have also a look at
the original 1916 paper)
Motion in crossed electric and magnetic fields (NEW! added 26/11/2021)
The Rowland experiment
Hall effect with two charged species
Pinch effect in a current wire
A magnetic dipole in front of a plane
Mechanical energy of an induced magnetic dipole (NEW! added 16/12/2019)
Magnetic levitation
A coil moving in an inhomogeneous magnetic field
Magnetic pressure and pinch effect for a surface current (for historical interest have also a look at 1905 experimental paper and a related image).
Magnetic pressure in a solenoid
Eddy currents in a solenoid
Geometry effects on charge relaxation
Square wave generator
A circuit with ``free-falling'' parts
Induced electric current in the ocean
The Tethered satellite system
A homopolar motor
Unipolar motor with a magnetized sphere
Rotating cylinder as DC generator
The Faraday disk and a self-sustained dynamo
Rotation driven by induction
Parasitic inductance and skin effect in an Ohmic wire
(Part II - waves, electromagnetic radiation)
Coupled oscillators
Oscillations of a triatomic molecule
A quasi-Gaussian wave packet
A wavepacket along a weakly dispersive line
Waves in discrete systems
The impedance network
The "CL high-pass" network
Acoustic and optical branches
Resonances in the LC network
A non-dispersive line, inspired by
Distorsionless transmission line
from the Prof. K. T. McDonald's collection.
The fields of a high voltage transmission line
TEM and TM modes in an "open" waveguide
The EM fields outside a wire that carries a linearly rising current
from the Prof. K. T. McDonald's collection (notice: C.G.S units)
The EM fields outside a plane that carries a linearly rising current
Cyclotron resonance
More cyclotron resonances
Magnetic resonance
The fields from spatially periodic surface sources
Poynting's theorem in an Ohmic wire
A capacitor with moving plates
Discharge of a cylindrical capacitor
Atom collapse
Cyclotron radiation
Radiation from orbiting charges
A bent center-fed antenna
Radiation from an elliptical orbit
Interference in dipole radiation
Optical beats make a lighthouse
Radiation damping of a classical oscillator
The radiation friction force
Measuring the magnetic field of a pulsar
Interference in scattering
Polarization by scattering
Polarization effects on Thomson scattering
Thomson scattering in a magnetic field
Energy flow and particle motion in a standing wave
Radiation Pressure on a perfect mirror
The fields of a current wire
The fields of a solenoid
The fields of a plane capacitor
The four-potential of a plane wave
Reflection from a moving mirror
Electromagnetic pulse modification by a moving mirror
Boundary conditions on a moving mirror
Laser cooling
A waveguide with a moving end
Waveguide modes as an interference effect
Energy densities in a free electron gas
Propagation in a metal at high and low frequency
Transmission and reflection in a very thin foil
Radiation pressure on a very thin foil
Mie resonance and a "plasmonic medium"
Propagation in a filled waveguide
Propagation in an optical fiber
Surface waves
Surface waves in a thin foil
Electromagnetic torque
Birefringence and wave plates
Magnetic birefringence and Faraday effect
Anti-reflection coatings
Fizeau effect
A light beam
Angular momentum of a light beam
Propagation of a ``relativistically'' strong EM wave