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Cambridge International AS & A Level Physics (9702)

12. Motion in a circle

13. Gravitational fields

14. Temperature

15. Ideal gases

16. Thermodynamics

17. Oscillations

18. Electric fields

19. Capacitance

19.1 Capacitors and capacitance

19.2 Energy stored in a capacitor

19.3 Discharging a capacitor

19.3.1—The variation with time of potential difference, charge and current

19.3.2—Τ = RC for the time constant for a capacitor discharging through a resistor

19.3.3—Equations of the form x = x0 e–(t / RC) where x could represent current

20. Magnetic fields

21. Alternating currents

22. Quantum physics

23. Nuclear physics

24. Medical physics

25. Astronomy and cosmology

Practical assessment skills

Mathematical, data, formula and circuit-symbol skills

A-Level/CAIE/Physics//A2/Concept/19. Capacitance/19.3 Discharging a capacitor/19.3.1—The variation with time of potential difference, charge and current

19. Capacitance

Syllabus: 9702–2028–2029
Section: 19
Level: A2

Exam analysis

Most tested topics

Capacitors and capacitance
Energy stored in a capacitor
Discharging a capacitor