IGCSE Physics · 4.5 Electromagnetic effects
Direction of induction with Lenz's law for IGCSE Physics
Direction of induction with Lenz's law is mapped to 4.5 Electromagnetic effects in the Cambridge IGCSE Physics pathway. Use this public guide to see exactly where the concept fits, what to master, and which GioPhysics resource continues the study sequence.
Where this fits
4.5 Electromagnetic effects
- Curriculum
- Cambridge IGCSE Physics
- Theme or group
- Electricity and magnetism
- Current framework
- Examinations in 2026–2028 · Version 2 (December 2025)
Electromagnets and the motor effect are in Chapter 27; induction, a.c. generators, and transformers are in Chapter 28.
Mastery checklist
Know what success looks like.
- 01
Identify the source of the field and distinguish field direction from force direction.
- 02
Use vector superposition or flux reasoning without dropping signs or geometry.
- 03
Connect the field model to force, energy, or induced e.m.f. in the mapped situation.
Exam lens
Build, apply, check.
4.5 Electromagnetic effects sits inside Electricity and magnetism. Build the concept first, then practise selecting a model, showing working, and checking the final result.
Teaching sequence
4.5 Electromagnetic effects
This syllabus point maps to 5 ordered concept guides.
- 01Magnetic fields made by currents and electromagnets
- 02Motor effect: force on a current
- 03Electromagnetic induction and Faraday's law
- 04Direction of induction with Lenz's lawCurrent guide
- 05A.C. generators and transformers