← 4.4 Magnetism and electromagnetic induction
The magnet-and-coil experiment
General Science · Grade 10 · about 40 minutes
Push, hold, pull: the galvanometer kicks, sits at zero, then kicks the other way. Relative motion is what matters.
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- 7 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
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Other lessons in this sub-strand
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- Electromagnetic induction and where it matters
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- The field around a bar magnet
- Two magnets: unlike poles, like poles, neutral point
- The compass and the Earth's magnetic field
- Fridge magnets and other everyday magnets
- Faraday and induced e.m.f.
- The magnet-and-coil experiment
- Factors affecting the size of the induced e.m.f.
- How a generator works
- How a transformer works
- KPLC, transformers and electricity in Kenya