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A-Level Physics · 20 Magnetic fields

Force on moving charges for A-Level Physics

Force on moving charges is mapped to 20 Magnetic fields in the Cambridge International AS & A Level Physics pathway. Use this public guide to see exactly where the concept fits, what to master, and which GioPhysics resource continues the study sequence.

A2 · A Level extensionGuide 3 of 8

Where this fits

20 Magnetic fields

Curriculum
Cambridge International AS & A Level Physics
Theme or group
A Level extension
Current framework
Examinations in 2025–2027 · Version 1

Fields and forces are in Chapter 27, with the Hall effect and velocity selectors in lesson 18.6; induction is in Chapter 28.

Mastery checklist

Know what success looks like.

  1. 01

    Define the system, then show every external interaction with a clear direction.

  2. 02

    Apply Newton's laws or a conservation law component by component.

  3. 03

    Test the result against units, limiting cases, and the direction of the predicted change.

Exam lens

Build, apply, check.

20 Magnetic fields sits inside A Level extension. Build the concept first, then practise selecting a model, showing working, and checking the final result.

Teaching sequence

20 Magnetic fields

This syllabus point maps to 8 ordered concept guides.

  1. 01Magnetic fields and field lines
  2. 02Force on a current-carrying conductor
  3. 03Force on moving chargesCurrent guide
  4. 04Hall effect and velocity selection
  5. 05Magnetic fields due to currents
  6. 06Magnetic flux and flux linkage
  7. 07Faraday's law
  8. 08Lenz's law

Continue on GioPhysics

Choose the right next step.

The curriculum context stays public. Lesson and presentation access follows the existing GioPhysics membership rules.

LearnOpen the mapped lessonForce on moving chargesTeachOpen the presentationClassroom sequence for this conceptPractiseOpen problem applicationsEasy through expert problem pathwaysPlanOpen the full curriculum mapCambridge Physics 9702