Electromagnetism phys2114

Electromagnetism phys2114

A/Prof. C. Ulrich week 1-4Prof. T. Duty week 5-8Dr. P. Reece week 9

Email [email protected]

Monday 15:00 - 16:00 Old Main Building 229Tuesday 12:00 - 13:00 Old Main Building 229Wednesday 10.00 - 11.00 Old Main Building 229Thursday 11.00 - 12.00 Tutorial

Office Hour:Wednesday: 11.00 – 12.00Room: OMB 125


Web-Page:

School of Physics / Syllabus

http://newt.phys.unsw.edu.au/PHYS2050/index.html


Assignment 1:MS Examination:Final Examination:

Mid Semester Examination: Monday in week 5

Topic:Vector analysis, electrostatic field, electric potential, work and energy in electrostatics,electrostatic fields in matter: polarization, displacement, dielectrics.


OutlineElectric Field:

Vector analysis; Electrostatic field, electric potential, work and energy in electrostatics,electrostatic fields in matter: polarization, displacement, dielectrics.

Magnetic Field:

Magnetostatics: magnetic fields, Lorentz force law, Biot-Savart law, Ampère’s law,magnetostatic fields in matter: diamagnetism, paramagnetism, ferromagnetism,Electrodynamics: Faraday/Lenz law, Maxwell’s equations.

TextbooksDavid J. Griffiths, Introduction to Electrodynamics, 4th edition (Prentice Hall).

P. Lorrain and D.R. Corson, Electromagnetic fields and waves.J.D. Jackson, Classical Electrodynamics (Wiley).H.M. Schey, Div, Grad, Curl and all that (Norton) – vector analysis.E.M. Purcell, Electricity and Magnetism (McGraw-Hill)B. and B.I. Bleaney, Electricity and Magnetism (Oxford) – an old classic.


Andre-Marie Ampere1775 – 1836 Lyon, France

Alessandro Volta 1745 – 1827 Como, Italy

James Clerk Maxwell1831 – 1879 Edinburgh, GB


torsion balanceCharles-Augustin de Coulomb

Before the revolution 1789: Captain in the army:as engineer - Coulomb LawAfter the revolution: inspector of public constructionspioneer in geotechnical engineering

Born: 14. 6. 1736 Angouleme, FranceDied: 23. 8. 1806 Paris, France


J. C. Maxwell, Philosophical Magazine 4, 161 (1861)













x

z

y

P

P’

ϕr

cylindrical coordinates

x = r cos y

ϕ = r sin

z = zϕ


x

z

y

P

P’

θϕ

spherical coordinatesx = r cos θ cos ϕy = r cos θ sin ϕz = r sin θ


f1

f2

f3

f4

scalar field vector field


f1

f2

f3

f4

grad f(r)

d r

Gradient




div v 0 curl v = 0≠div v = 0 curl v = 0

div v = 0 curl v 0≠ div v 0 curl v 0≠ ≠





Spherical Coordinates

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Electromagnetism phys2114