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Physics A
Magnetism and magnetic fields
Uses of magnetism
Electric motors
Electric motors
OCR GCSE Physics A (J249) — Magnetism and magnetic fields
What You Need to Know
Explain how the force from a magnet and a current-carrying conductor is used to cause rotation in electric motors.
Understand the working principle of electric motors (detailed structure not required).
Revision Notes
1
Electric motors
6 key terms
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Calculating magnetic force
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Electromagnetic induction
