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CAMBRIDGE 9702AS & A Level Physics25 theory topics + practical skills
⌂All topics✦Exam Practice◔Dashboard

AS LEVEL · TOPICS 1–11

01Physical quantities and units›02Kinematics›03Dynamics›04Forces, density and pressure›05Work, energy and power›06Deformation of solids›07Waves›08Superposition›09Electricity›10D.C. circuits›11Particle physics›

A LEVEL · TOPICS 12–25

12Motion in a circle›13Gravitational fields›14Temperature›15Ideal gases›16Thermodynamics›17Oscillations›18Electric fields›19Capacitance›20Magnetic fields›21Alternating currents›22Quantum physics›23Nuclear physics›24Medical physics›25Astronomy and cosmology›

PRACTICAL SKILLS

26Practical work›
Course overviewExam practiceDashboard
CAMBRIDGE 9702 · A LEVEL
20

Topic 20

Magnetic fields

Your complete topic collection. Learn the ideas, practise the questions and revise the essentials.

All resourcesLesson slidesPaper 4 · Complete topical bookPaper 4 · In-class questionsEquation sheetDefinition sheetInteractive learning
EXPLORE & ASSESS

Put the ideas into practice.

Your existing interactive lessons, tools and assessments are all here. Assessment results continue to save to your dashboard.

Interactive toolkitStructured practiceTopic assessment
20.1 · Magnetic fields
  • Magnetic fields and flux density
  • Force on a current-carrying conductor
  • Force on a moving charge
  • Circular motion of charged particles
  • Velocity selection
  • Magnetic fields due to currents
  • Forces between parallel currents
  • Electromagnetic induction
  • Faraday's and Lenz's laws
← Topic 19: CapacitanceTopic 21: Alternating currents →