Magnetic Fields

 

What you need to know

Specification
Details of the syllabus for this section. It is your responsibility to make a good set of notes on everything outlined here

Teacher notes

Lenz's Law: some thought experiments

 

Animations

Right-hand Grip Rule
The field direction round a current in a wire

Charged particle in a Magnetic Field
Applet of a charged particle moving in a magnetic field

Faraday's Law 1
A simulation of Faraday's Magnetic Field Induction Experiment

Faraday's Law 2
 
Light a light bulb by waving a magnet. This demonstration of Faraday's Law shows you how to reduce your power bill at the expense of your grocery bill.

Lenz's Law 1
This shows how the movement of a magnet  induces current in a conductor

Lenz's Law 2
Another magnet and coil simulation

 

Useful websites

Basic magnetism
A bit of a history lesson

Magnetism FAQ
General information on magnetism and magnetic physics.

How A Metal Detector Works
The operation of metal detectors is based on electromagnetic induction

PHet Simulation of Electromganetic Induction
An excellent applet

 

Online tests

Magnetism quiz

 

Lesson activities

 Magnetic Field
Research task
This page gives useful links to explain some of the puzzles of the earth's magnetism