Dynamos and transformers

  • Created by: emews
  • Created on: 19-11-17 18:00

Dynamos and transformers

The size of the induced boltage can be increased by:

  • having an iron core inside the coil
  • using a magnet with a stronger magnetic field
  • rotating the coil or magnet faster
  • having more turns of the wire in the coil

A voltage is produced when a magnet moves in a coil of wire. This process is called electromagnetic induction.

Mains electricity is an AC supply. The…


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