Lect

WS

Chapter

Topics

Examples

Examination examples

1,

1, 10-12

2:1

Coulombs law, E-field from charge distributions

Field from a CRT

Where is field from ring largest?

Field from one compared to two wires?

2,

1

2:2

Gauss law on integral an differential form

Thunderstorm charge density

3

2,

2:3-4

Electric potential

Poisson’s and Laplace’s laws

Charge layers

Work and energy in electrostatics

Potential buildup in storms.

Intensity of light, energy of a thunderstorm

Field from a CRT at 20000V?

E from a circle charge directly and via U

Intensity of light, energy of a thunderstorm

4,

2

2:5

Conductors and isolators

Capacitors

Capacitance of coax cable

Capacitance by a double conductor

5,

3,

3:2, 3:4

Image methods

Multipole expansion

Forces between dipoles in different cases, dipole bonding

Field of a semiinfinite rod close to a grounded plate

6,

3

4:1-4

Electric polarization

E, P and D fields

Nonlinear case

Capacitive mikrophone

Capacitive sensors

7,

4,

5:1

Magnetic force, magnetic dipoles ad torques upon them

Mass spectrometer, Magnetic lens, Magnetic mirror

Deflection of electron beams

Lens effect for off axis point

Electron beam steering

8

4

5:1:3

Ideal and nonideal conductors and isolators.

Currents and currents density

Charge continuity equation

Power dissipation in nonideal conductors.

RC-constant

BER in coaxial cables

Resistance of cones

9,

5,

5:2-3

Sources of the magnetic field

Div B and curl B

5:4 only magnetic moment

Straight conductor, Short coil, Solenoidal coil (long and very long), Toroidal coil.

Field of a square loop at large distance

10,

5

6:1, 7:1

Magnetization, B, M and H fields.

Induction

Voltage for circular loop rotating in earth magnetic field.

Traffic light sensors

11,

6,

7:2-3

Inductance, Energy in fields

Maxwell equations

Transformers, glim lights, LR-circuits

Story of VW (simplified)

Story of VW, with L (primary)

12,

6

Handout

Magnetic circuits, reserve time

Bicycle hub generators