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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

20.2.1—A force might act on a current-carrying conductor placed in a magnetic field

20.2.2—The equation F = BIL sin θ, with directions as interpreted by Fleming’s

20.2.3—Magnetic flux density as the force acting per unit current per unit length

20.3 Force on a moving charge

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/20.2 Force on a current-carrying conductor/20.2.3—Magnetic flux density as the force acting per unit current per unit length

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