AQA Physics Magnetism Revision Notes
Master AQA Physics Magnetism using simple revision notes, key facts and practice questions — all generated by AI for your exam.
Magnetism is a fundamental force that arises from the motion of electric charges. It is responsible for the attraction and repulsion between magnetic materials and is a key concept in understanding electromagnetism.
Key Concepts
- 1Magnets have a north and south pole; like poles repel and opposite poles attract.
- 2Magnetic fields are represented by field lines that show the direction and strength of the field.
- 3The Earth itself acts like a giant magnet, with a magnetic field that affects compass needles.
- 4Electromagnetic induction is the process of generating an electric current from a changing magnetic field.
- 5Applications of magnetism include electric motors, generators, and magnetic storage devices.
Simple Explanation
Magnetism is the force that makes magnets attract or repel each other. Every magnet has two ends called poles: a north pole and a south pole. If you bring two north poles together, they push away from each other, but if you bring a north and a south pole together, they pull towards each other. This force is used in many everyday devices like motors and compasses.
Memory Trick
“Remember 'Naughty Students Repel, Opposites Attract' to recall that like poles repel and opposite poles attract.”
Flashcards
What are the two types of magnetic poles?
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Exam Questions
Describe and explain the concept of magnetic fields and their properties. [6 marks]
6 marksView mark scheme hint▾
Define magnetic fields, describe field lines, and explain attraction/repulsion between poles.
Explain how electromagnetic induction works and its significance. [4 marks]
4 marksView mark scheme hint▾
Define electromagnetic induction and explain its application in generators.
What is meant by ferromagnetism? [2 marks]
2 marksView mark scheme hint▾
Define ferromagnetism and give examples of ferromagnetic materials.
Practice Quiz
What happens when a north pole is brought near a south pole?
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