Permanent magnets
Magnets that stick together forever. These magnets are not poles apart!
Read meMagnetic fields
The Earths magnetic field is getting weaker every year. The attraction has gone.
Read meElectromagnetism
A solenoid is a coil of wire, but to get to the core of the issue you need to look at electromagnets.
Read meThe motor effect
Why things can be made to spin and when being left handed will be an advantage
Read meThe electric motor
Motor your revision with this electrifying set of notes
Read meElectromagnetic devices
(physics only)
Do not ask for whom the doorbell tolls... ...It tolls for thee.
Read meLoudspeakers and headphones
(physics only)
The first electromagnetic coil loudspeaker was invented in 1877 by Werner Von Siemens. The first headphones were invented in 1910 by Nathaniel Baldwin
Read meThe Microphone
(physics only)
Testing... Testing... 1... 2... 3... Can you hear me?
Read meThe generator effect
(physics only)
Moving wires in magnetic fields makes electricity. This knowledge has generated lots of ideas (and electricity)
Read meGenerating alternating current
(physics only)
Tesla girls, Tesla girls, Testing out theories, Electric chairs and dynamos, Dressed to kill, they're killing me
Read meGenerating DC
(physics only)
Washington DC was named because it was the first city to have direct current (Not really)
Read meTransformers
(physics only)
Transformers... ..robots in disguise
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