# Module Information

Module Identifier
PH32510
Module Title
ELECTROMAGNETISM
2012/2013
Co-ordinator
Semester
Semester 1
Pre-Requisite
MP26020 or FG26020
Other Staff

#### Course Delivery

Delivery Type Delivery length / details
Lecture 22 x 1-hour lectures and examples classes

#### Assessment

Assessment Type Assessment length / details Proportion
Semester Exam 2 Hours   : Written examination  80%
Semester Assessment 2 Examples sheets  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.

### Brief description

This module presents the concepts of electromagnetism in terms of vector calculus. Topics covered include electrostatics, dielectrics, magnetic fields, magnetic fields in matter, electromagnetic induction, alternating currents and resonance, Maxwell's equations.

### Content

RECAP VECTOR CALCULUS:
Grad, div, curl, divergence theorem, Stokes' theorem, vector identities.

ELECTROSTATICS:
Electric charge and field, Gauss' law, 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.

ELECTROMAGNTIC INDUCTION:

MAXWELL EQUATIONS:
Equation of continuity, displacement current, Maxwell's equations and plane electromagnetic wave solution, Poynting vector, polarisation of waves, behaviour at plane interfaces.