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TOPIC 21

Alternating currents

Physics · AS & A Level

23 questionsShow all as
9702/418 marks
May/June 2026 · Question 7

21.1 Characteristics of alternating currents, 21.2 Rectification and smoothing

21.1 Characteristics of alternating currents21.2 Rectification and smoothing
9702/41 May/June 2026 question 7 question
3 partsOpen full size ↗
9702/427 marks
May/June 2026 · Question 8

21.2 Rectification and smoothing

21.2 Rectification and smoothing
9702/42 May/June 2026 question 8 question
5 partsOpen full size ↗
9702/438 marks
May/June 2026 · Question 7

21.1 Characteristics of alternating currents, 21.2 Rectification and smoothing

21.1 Characteristics of alternating currents21.2 Rectification and smoothing
9702/43 May/June 2026 question 7 question
3 partsOpen full size ↗
9702/4414 marks
May/June 2026 · Question 7

20.1 Concept of a magnetic field, 20.5 Electromagnetic induction, 21.1 Characteristics of alternating currents

20.1 Concept of a magnetic field20.5 Electromagnetic induction21.1 Characteristics of alternating currents
9702/44 May/June 2026 question 7 question
7 partsOpen full size ↗
9702/4210 marks
Feb/Mar 2026 · Question 7

21.1 Characteristics of alternating currents, 21.2 Rectification and smoothing

21.1 Characteristics of alternating currents21.2 Rectification and smoothing
9702/42 Feb/Mar 2026 question 7 question
6 partsOpen full size ↗
9702/428 marks
Oct/Nov 2025 · Question 7

21.1 Characteristics of alternating currents, 21.2 Rectification and smoothing

21.1 Characteristics of alternating currents21.2 Rectification and smoothing
9702/42 Oct/Nov 2025 question 7 question
4 partsOpen full size ↗
9702/4415 marks
Oct/Nov 2025 · Question 6

21.2 Rectification and smoothing, 21.1 Characteristics of alternating currents, 19.3 Discharging a capacitor

21.2 Rectification and smoothing21.1 Characteristics of alternating currents19.3 Discharging a capacitor
9702/44 Oct/Nov 2025 question 6 question
9 partsOpen full size ↗
9702/4112 marks
May/June 2025 · Question 6

21.2 Rectification and smoothing, 19.3 Discharging a capacitor

21.2 Rectification and smoothing19.3 Discharging a capacitor
9702/41 May/June 2025 question 6 question
7 partsOpen full size ↗
9702/4210 marks
May/June 2025 · Question 8

21.1 Characteristics of alternating currents, 21.2 Rectification and smoothing, 9.2 Potential difference and power

21.1 Characteristics of alternating currents21.2 Rectification and smoothing9.2 Potential difference and power
9702/42 May/June 2025 question 8 question
6 partsOpen full size ↗
9702/4312 marks
May/June 2025 · Question 6

21.2 Rectification and smoothing, 19.3 Discharging a capacitor

21.2 Rectification and smoothing19.3 Discharging a capacitor
9702/43 May/June 2025 question 6 question
7 partsOpen full size ↗
9702/4410 marks
May/June 2025 · Question 8

21.2 Rectification and smoothing, 19.3 Discharging a capacitor

21.2 Rectification and smoothing19.3 Discharging a capacitor
9702/44 May/June 2025 question 8 question
4 partsOpen full size ↗
9702/4111 marks
Oct/Nov 2024 · Question 6

21.2 Rectification and smoothing, 19.1 Capacitors and capacitance

21.2 Rectification and smoothing19.1 Capacitors and capacitance
9702/41 Oct/Nov 2024 question 6 question
6 partsOpen full size ↗
9702/429 marks
Oct/Nov 2024 · Question 8

21.1 Characteristics of alternating currents, 9.2 Potential difference and power

21.1 Characteristics of alternating currents9.2 Potential difference and power
9702/42 Oct/Nov 2024 question 8 question
5 partsOpen full size ↗
9702/4311 marks
Oct/Nov 2024 · Question 6

21.2 Rectification and smoothing, 19.1 Capacitors and capacitance

21.2 Rectification and smoothing19.1 Capacitors and capacitance
9702/43 Oct/Nov 2024 question 6 question
6 partsOpen full size ↗
9702/4110 marks
May/June 2024 · Question 7

21.2 Rectification and smoothing, 9.2 Potential difference and power

21.2 Rectification and smoothing9.2 Potential difference and power
9702/41 May/June 2024 question 7 question
5 partsOpen full size ↗
9702/4310 marks
May/June 2024 · Question 7

21.2 Rectification and smoothing, 9.2 Potential difference and power

21.2 Rectification and smoothing9.2 Potential difference and power
9702/43 May/June 2024 question 7 question
5 partsOpen full size ↗
9702/4210 marks
Feb/Mar 2024 · Question 4

19.1 Capacitors and capacitance, 19.2 Energy stored in a capacitor, 19.3 Discharging a capacitor, 21.2 Rectification and smoothing

19.1 Capacitors and capacitance19.2 Energy stored in a capacitor19.3 Discharging a capacitor21.2 Rectification and smoothing
9702/42 Feb/Mar 2024 question 4 question
6 partsOpen full size ↗
9702/418 marks
Oct/Nov 2023 · Question 7

21.1 Characteristics of alternating currents, 9.2 Potential difference and power

21.1 Characteristics of alternating currents9.2 Potential difference and power
9702/41 Oct/Nov 2023 question 7 question
5 partsOpen full size ↗
9702/4211 marks
Oct/Nov 2023 · Question 4

17.1 Simple harmonic oscillations, 9.1 Electric current, 21.1 Characteristics of alternating currents

17.1 Simple harmonic oscillations9.1 Electric current21.1 Characteristics of alternating currents
9702/42 Oct/Nov 2023 question 4 question
7 partsOpen full size ↗
9702/438 marks
Oct/Nov 2023 · Question 7

21.1 Characteristics of alternating currents, 9.2 Potential difference and power

21.1 Characteristics of alternating currents9.2 Potential difference and power
9702/43 Oct/Nov 2023 question 7 question
5 partsOpen full size ↗
9702/419 marks
May/June 2023 · Question 5

21.2 Rectification and smoothing, 19.3 Discharging a capacitor

21.2 Rectification and smoothing19.3 Discharging a capacitor
9702/41 May/June 2023 question 5 question
6 partsOpen full size ↗
9702/4210 marks
May/June 2023 · Question 7

21.2 Rectification and smoothing, 21.1 Characteristics of alternating currents

21.2 Rectification and smoothing21.1 Characteristics of alternating currents
9702/42 May/June 2023 question 7 question
6 partsOpen full size ↗
9702/439 marks
May/June 2023 · Question 5

21.2 Rectification and smoothing, 19.3 Discharging a capacitor

21.2 Rectification and smoothing19.3 Discharging a capacitor
9702/43 May/June 2023 question 5 question
6 partsOpen full size ↗
Alternating currents: AS & A Level Physics (9702) past paper questions | Past Paper Pigeon