Electricity and Magnetism (Electromagnetism) presentations

Contents of Topics Presentations

Frits F.M. de Mul    .

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Contents of Topics Presentations

 

        I.            Electricity  [movie I (A): 1-13;  II (B): 14-32]

        1.        E-field of a long wire

        2.        Charge elements: rod, ring, disk

        3.        Arc angle and solid angle

        4.        Charge elements: on/in a sphere

        5.        Flux, definition

        6.        Gauss’ Law

        7.        Gauss’ boxes

        8.        Divergence theorem

        9.        “Gauss” in differential form

      10.     Electrostatic crane

      11.     Gradient

      12.     Electric potential

      13.     Field and potential

      14.     Vector fields: rotation-free

      15.      Vector fields: non-zero rotation

      16.     Lightning: greatest risk

      17.     Particle transport and flux

      18.     Point charge opposing conductor

      19.     Idem; flat conductor

      20.     Electric field at interface

      21.     Energy of/in a charge distribution

      22.     Energy to charge a capacitor

      23.     Change space in a flat conductor

      24.     Conductor: field at boundary

      25.     Electric dipole

      26.     Polarization of a dielectric

      27.     Volume polarization and surface charge

      28.     Dielectric displacement

      29.     E-field at interface

      30.     Electret: E and D

      31.     Capacitors: series and parallel

      32.     Capacitors: spheres and cylinders

    II.            Magnetism  [movie I (A): 1-13;   II (B): 14-27]

        1.        Magnetic force on a current wire

        2.        Hall effect

        3.        Magnetic field of a line current

        4.        Idem. Circular circuit

        5.        Idem. Circular solenoid

        6.        Magnetic force between currents

        7.        Why is the wire moved by Lorentz force?

        8.        Ampère’s Law

        9.         B-field from a thick wire

      10.     Magnetic induction of a solenoid

      11.     Symmetries for Ampère’s Law

      12.     Magnetic pressure

      13.     Vector potential A

      14.     Magnetic dipole

      15.     Magnetization and Polarization

      16.     Magnetic circuit: torque and energy

      17.     Electret and Magnet

      18.      B- and H-fields at interface

      19.     Toroid with air gap

      20.     Induction: conductor moves in field

      21.     Induction: Faraday’s Law

      22.     Induction in rotating circuit frame

      23.     Electromagnetic brakes

      24.     Coupled circuits

      25.     Coax cable: self inductance

      26.     Magnetic field energy

      27.     Maxwell’s Fix of Ampère’s Law

 

III.            Electromagnetic Waves

        1.        Gauss’ and Faraday’s Laws for E (D)-field

        2.        Gauss’ and Maxwell’s Laws for B (H)-field

        3.        Maxwell’s Equations and The Wave Equation

        4.        Harmonic Solution of the Wave Equation

        5.        Plane waves

a.    orientation of field vectors

b.    complex wave vector

c.     B - E correspondence

        6.        The Poynting Vector and Intensity