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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

20. Magnetic fields

20.1 Concept of a magnetic field

20.2 Force on a current-carrying conductor

20.3 Force on a moving charge

20.3.1—The direction of the force on a charge moving in a magnetic field

20.3.2—F = BQv sin θ

20.3.3—The origin of the Hall voltage and derive and use the expression V H = BI /

20.3.4—The use of a Hall probe to measure magnetic flux density

20.3.5—The motion of a charged particle moving in a uniform magnetic field

20.3.6—How electric and magnetic fields can be used in velocity selection

20.4 Magnetic fields due to currents

20.5 Electromagnetic induction

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/20. Magnetic fields/20.3 Force on a moving charge/20.3.4—The use of a Hall probe to measure magnetic flux density

20. Magnetic fields

Syllabus: 9702–2028–2029
Section: 20
Level: A2

Exam analysis

Most tested topics

Concept of a magnetic field
Force on a current-carrying conductor
Force on a moving charge
Magnetic fields due to currents
Electromagnetic induction