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Physics
OCR GCSE Physics A
Magnetism and magnetic fields
OCR GCSE Physics A · J249 · Topic P4
Magnetism and magnetic fields
Paper 1 (Foundation)
or
Paper 3 (Higher)
· 17 notes
P4.1
Magnets and magnetic fields
P4.1a
Magnetic poles
P4.1b
Permanent and induced magnets
P4.1c
Magnetic fields
P4.1d
Earth's magnetism
P4.1e
Magnetic effect of current
P4.1f
Field strength factors
P4.1g
Solenoids
P4.2
Uses of magnetism
P4.2a
Force on conductor
P4.2b
Fleming’s left-hand rule
P4.2c
Calculating magnetic force
P4.2d
Electric motors
P4.2e
Electromagnetic induction
P4.2f
Alternators and dynamos
P4.2g
Transformers
P4.2h
Transformer turns ratio
P4.2i
Transformer equation
P4.2j
Microphones and speakers
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