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Magnetic fields and induction
AQA 7408 — matched to your course.
Forces on currents and charges, magnetic flux, Faraday's law, Lenz's law and electromagnetic induction.
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Force on a current-carrying wire
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Subtopics and study areas
- Investigate how magnetic force depends on flux density, current and length of wire in the field.
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Magnetic fields and induction
Tailored to AQA 7408.
Revision notes are free. Premium unlocks the full question and retrieval-card bank.
Subtopics and study areas
- Calculate magnetic forces on current-carrying conductors and moving charges.
- Use magnetic flux and flux linkage to analyse electromagnetic induction.
- Apply Faraday's and Lenz's laws to generators, coils and changing-field situations.
- Calculate force on a current-carrying conductor in a magnetic field.
- Use magnetic flux and flux linkage.
- Apply Faraday's and Lenz's laws to electromagnetic induction.
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Magnetic flux linkage and coil angle
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Subtopics and study areas
- Use a search coil and oscilloscope to investigate how flux linkage depends on angle.
