Magnetism
Electrical Technology · Grade 10 · about 40 minutes
The magnetic properties of materials, what causes magnetism, magnetizing and demagnetizing, magnetic poles and field patterns, why magnets are made in different shapes, and how to care for and apply magnets.
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- 6 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take
Other lessons in this sub-strand
- Magnetism
- Magnetic and non-magnetic materials
- Types of magnetic behaviour
- Soft iron and hard steel
- What causes magnetism
- Magnetizing by stroking
- Magnetizing with a current
- Demagnetizing a magnet
- Poles and the pole law
- The magnetic field of a bar magnet
- Field patterns of other magnet shapes
- Why magnets are made in different shapes
- Care and storage of magnets
- Magnets in everyday life