Electromagnetic Induction

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  • Created by: a.bell
  • Created on: 26-04-16 16:09

Electromagnetic Induction

Electromagnetic induction is a way of generating electricity that is used in generators and dynamos on bicycles to power the lights.

To generate the electricity, a magnet is spun inside a coil of wire. This produces a current.

To increase the amount of current produced we can:

  • increase the speed at which the magnet is turning
  • use a stronger magnet
  • add more turns to the coil
  • increase the coil area
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