Electromagnetism
Learn the complete H1 Physics 8867 Electromagnetism scope through clear explanations, worked methods and purposeful practice.
Learning goals
- Calculate field strength and force in uniform electric fields.
- Analyse charged-particle motion in uniform electric fields.
- Calculate and represent magnetic fields produced by currents.
- Sketch magnetic field lines due to currents in a long straight wire, a flat circular coil and a long solenoid.
- Analyse forces on current-carrying conductors, current balances and interactions between parallel currents.
- recall and solve problems using the equation F = BIlsinθ, with directions as interpreted by Fleming’s left-hand rule
- show an understanding of how the force on a current-carrying conductor can be used to measure the flux density of a magnetic field using a current balance
- Analyse forces and paths of moving charges in uniform fields.
- Apply crossed electric and magnetic fields to velocity selection.
Before you begin
Start with the first lesson if this topic is new. If you are revising, use Check your understanding to find the lesson that deserves your attention, then work from the explanation to supported and independent practice.
Be comfortable with: Circuits
How the ideas connect
- Motion in a uniform electric field
- Magnetic fields and force on a conductor
- Force and deflection of moving charges
Learn in order
Lesson route
Learn the topic
- 01Motion in a uniform electric fieldA uniform electric field gives a charged particle constant acceleration. The charge sign sets the acceleration direction, while the initial velocity sets the shape of the path.35 min
- 02Magnetic fields and force on a conductorCurrents and permanent magnets produce magnetic fields. A conductor carrying current across a field can experience a force, allowing magnetic flux density to be defined and measured.35 min
- 03Force and deflection of moving chargesA magnetic field pushes a moving charge perpendicular to its motion. It can bend a beam without changing particle speed, and crossed fields can select one velocity.35 min
Check your understanding
Practice and check
What you will learn
These lessons cover the complete H1 Electromagnetism scope in a deliberate order.
- Calculate electric force and acceleration in a uniform field.
- Predict motion for positive and negative charges.
- Sketch fields around a straight wire, flat coil and long solenoid.
- Use F = BIℓ sin θ and Fleming’s left-hand rule.
- Predict magnetic-force direction for positive and negative charges.
- Use F = BQv sin θ and analyse electric and magnetic beam deflection.
Syllabus and review details
Covers the complete 2027 H1 Physics 8867 requirements for Electromagnetism; H2-only extensions are deliberately left out.
Use written working, labelled diagrams and clear physical reasoning as well as final answers. The lesson questions are designed to prepare you for both calculations and explanations.
Curriculum and content checked 2026-09-14
Frequently asked questions
Where should I start in Electromagnetism?
Start with Motion in a uniform electric field. The 3 lessons build in order, and each one ends with an independent question and a clear next step.
How should I use the worked examples?
Cover the steps, attempt the question first, then compare your method line by line. Check the sign, direction, unit and size of your result.
What should I do when I finish the lessons?
Use Check your understanding, revisit any weak lesson, then complete the practice plan without looking at the worked answers.
Course and syllabus information
- Course
- GCE A-Level H1 Physics
- Edition
- GCE A-Level H1 Physics 2027