Where diodes are used, and why they matter

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• 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

1. Semiconductor diodes
2. Diode structure, terminals and symbol
3. Forward bias: how a diode conducts
4. Reverse bias: how a diode blocks
5. Turn-on voltage: silicon, germanium and LED
6. The diode characteristic curve
7. Plotting a diode characteristic in the workshop
8. Rectifier diodes and their ratings
9. Half-wave rectification
10. Full-wave bridge rectification
11. Smoothing and ripple
12. The complete DC power supply
13. Light emitting diodes
14. Zener diodes
15. Testing a diode with a meter
16. Where diodes are used, and why they matter