Physics 9702 · 21 Alternating currents
21.2 Rectification and smoothing
Explain half-wave and full-wave rectification, and analyze capacitor smoothing in circuits.
- Questions
- 20
- Years
- 2016–2026
- Multiple choice
- 0
- Written answer
- 20
- Average marks
- 8
Practise alternating currents questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 4variants 41, 42, 4320
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | 1 | 3 | – | 4 |
| 2025 | – | – | 1 | 1 |
| 2023 | – | 3 | – | 3 |
| 2022 | 1 | 2 | – | 3 |
| 2021 | 1 | – | – | 1 |
| 2019 | 1 | 2 | 2 | 5 |
| 2017 | – | – | 1 | 1 |
| 2016 | – | 2 | – | 2 |
