Step 4 of 4 · topic
Magnetism and electromagnetism
WJEC 3420QS — matched to your course.
Magnetic fields, electromagnets, the motor effect and electromagnetic induction.
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Investigating transformer output
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Subtopics and study areas
- Investigate how the secondary output of an iron-cored transformer depends on the number of turns.
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Magnetism and electromagnetism
Tailored to WJEC 3420QS.
Revision notes are free. Premium unlocks the full question and retrieval-card bank.
Subtopics and study areas
- Describe magnetic fields and the behaviour of permanent and induced magnets.
- Explain the motor effect and factors affecting the force on a current-carrying conductor.
- Explain electromagnetic induction and the operation of simple transformers.
