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KS4 Physics Magnetism and Electromagnetism
Contents
1
Magnetism and Electromagnetism
1.1
Permanent and induced magnetism, magnetic forces and fields
1.1.1
Magnetism
1.2
Magnetic effects of currents and the motor effect
1.3
Induced potential, transformers and the national grid
1.4
Microphones and speakers; oscillating currents in detection and generation of radiation
Magnetism and Electromagnetism
Permanent and induced magnetism, magnetic forces and fields
Magnetism
Magnets
Poles
Permanent Magnet
Induced Magnet
Magnetic Field
Magnetic Flux Density
Tesla
Compass
Earth's Magnetic Field
Magnetic effects of currents and the motor effect
Wire
Solenoid
Electromagnets
Higher
Motor Effect
Fleming's Left Hand Rule
D.C. Motor
Induced potential, transformers and the national grid
Generator Effect
Lenz's Law
Alternator
Dynamo
Transformers
Microphones and speakers; oscillating currents in detection and generation of radiation
Microphone
Speaker