Dynamos and transformers
- Created by: emews
- Created on: 19-11-17 18:00
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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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