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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
Electromagnetism phys2114
Web-Page:
School of Physics / Syllabus
http://newt.phys.unsw.edu.au/PHYS2050/index.html
Electromagnetism phys2114
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.
Electromagnetism phys2114
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.
Electromagnetism phys2114
Andre-Marie Ampere1775 – 1836 Lyon, France
Alessandro Volta 1745 – 1827 Como, Italy
James Clerk Maxwell1831 – 1879 Edinburgh, GB
Electromagnetism phys2114
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
Electromagnetism phys2114
J. C. Maxwell, Philosophical Magazine 4, 161 (1861)
Electromagnetism phys2114
J. C. Maxwell, Philosophical Magazine 4, 161 (1861)
Electromagnetism phys2114
J. C. Maxwell, Philosophical Magazine 4, 161 (1861)
Electromagnetism phys2114
Electromagnetism phys2114
Electromagnetism phys2114
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x
z
y
P
P’
ϕr
cylindrical coordinates
x = r cos y
ϕ = r sin
z = zϕ
Electromagnetism phys2114
x
z
y
P
P’
θϕ
spherical coordinatesx = r cos θ cos ϕy = r cos θ sin ϕz = r sin θ
Electromagnetism phys2114
f1
f2
f3
f4
scalar field vector field
Electromagnetism phys2114
f1
f2
f3
f4
grad f(r)
d r
Gradient
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Electromagnetism phys2114
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div v 0 curl v = 0≠div v = 0 curl v = 0
div v = 0 curl v 0≠ div v 0 curl v 0≠ ≠
Electromagnetism phys2114
Electromagnetism phys2114
Electromagnetism phys2114
Electromagnetism phys2114
Spherical Coordinates