🎧 Audio Podcast Overview
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🎬 Video Overview
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🧠 Interactive Mind Map
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📖 What You'll Learn
Key topics covered in this chapter
- Production of electricity by pressure — the piezoelectric effect and crystal transducers
- Chemical action — two dissimilar metals in an electrolyte, cells and batteries
- Thermal generation — heat and the thermocouple
- Light — photovoltaic (solar) cells converting photons into current
- Friction — static electricity and charge build-up
- Magnetism and motion — conductors in magnetic flux, the generator principle