| Module Identifier |
PH32510 |
| Module Title |
ELECTROMAGNETISM |
| Academic Year |
2007/2008 |
| Co-ordinator |
Dr Eleri Pryse |
| Semester |
Semester 1 |
| Other staff |
Dr Xing Li |
| Pre-Requisite |
Core Physics Modules at Levels 1 & 2 |
| Course delivery |
Lecture | 20 lectures |
| Assessment |
| Assessment Type | Assessment Length/Details | Proportion |
|---|
| Semester Exam | 2 Hours written examination | 80% |
| Semester Assessment | Course Work: Two examples sheets by Semester week 7 and Semester week 11 | 20% |
| Supplementary Exam | 2 Hours written examination | 100% |
|
Learning outcomes
After taking this module students should be able to:
-
apply the differential operators of vector calculus to electromagnetic problems.
-
describe the four basic laws of electromagnetism and their applications.
-
explain the effects of matter on electric and magnetic fields and the boundary conditions for such fields.
-
solve problems on resonance in alternating current circuits.
-
describe the basic properties of transmission lines for the propagation of electrical signals.
Brief description
This module builds on the foundations laid in PH12020, and presents the concepts of electromagnetism introduced in the earlier module in terms of vector calculus. Topics covered include electrostatics, dielectrics, magnetic fields, magnetic fields in matter, electromagnetic induction, alternating currents and resonance, transmission lines, Maxwell's equations.
Content
Vector Calculus:
Recap, grad, div, curl, divergence theorem, Stokes' theorem, vector identities.
Electrostatics:
Electric charge and field, Gauss' law in differential form, electrostatic energy, potential, capacitors, dielectrics, polarisation, electric displacement, boundary conditions for D and E, Poisson's equation, electrostatic calculations.
Magnetic Fields:
Lorentz force, magnetic dipole, Ampere's law, magnetic vector potential, Biot-Savart law, magnetic flux, magnetisation, magnetic intensity, boundary conditions for B and H, hysteresis.
Electromagnetic Induction:
Faraday's law, inductance, magnetic energy.
Alternating Currents:
Phasors, resonance.
Transmission Lines:
Wave propagation on lossless line, practical lines, reflections, input impedance, matching.
Maxwell's Equations:
Equation of continuity, displacement current, Maxwell's equations.
Reading Lists
Books
** Recommended Text
Grant & Phillips Electromagnetism
2nd. 0471927120
** Supplementary Text
Lorrain, P. and Corson, D. R. Electromagnetism: Principles and Applications
0716720965
Notes
This module is at CQFW Level 6