# Physics and astronomy

## Electricity and Magnetism

Module code: F3213
Level 3 (sub-degree)
15 credits in spring teaching
Teaching method: Lecture, Workshop
Assessment modes: Unseen examination, Coursework

In this module, topics you will cover will include:

• electrostatics; primitive electrostatic phenomena, Coulomb's law, SI units, electric fields and field lines, conductors and insulators, Gauss' law, electrostatic potential, equipotentials, capacitors; dielectrics
• steady currents; currents, Ohm's law, batteries, electromotive Force (EMF), electrons and ions
• D.C. circuits, ideal circuit elements R, C and L, Kirchhoff's laws; introduction to A.C. circuits; RMS, peak and average values, power dissipation in resistors; alternating voltages and currents, sine waves and sources, amplitude and phase; electrical measurements, voltmeters, ammeters and oscilloscopes; time dependence of CR circuits; logic gates and circuits, Boolean algebra
• magnetostatics; magnets and magnetic fields, magnetic induction, magnetic fields of steady currents and Ampere's law, solenoids, force on current in magnetic field, motion of charged particles in B and E fields
• principles of electric motors; self- and mutual inductance, Lenz's law, electric generators, electromechanical energy conversion.

### Pre-requisite

Pre-requisites:
Level 3: (F3207) Foundation Mechanics [T1]

Co-requisites:
Level 3: (F3203) Foundation Mathematics [T1,T2]

### Module learning outcomes

• At the end of the course a successful student should have: some ability to apply the laws of electricity & magnetism to specified situations.
• Some ability to investigate electric and magnetic phenomena through laboratory exercises.
• Be able to manipulate the essential equations describing electrical circuits and carry out elementary calculations.