Magnets in everyday life
Electrical Technology · Grade 10 · about 40 minutes
Compasses, latches, loudspeakers, motors, generators, separators, card strips and MRI all use magnets. Present one application and link it to the next sub-strand, electromagnetism.
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- 8 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