Transformers.
- Created by: Matilda
- Created on: 19-05-10 09:33
Fullscreen
What are they?
A transformer consists of two coils of wire around an iron core. There is a primary core and a secondary core
A step down trnsformer is used in the national grid to make the voltage lower thus safer to use.
How does it work...?
1. A alternating current is passed through the primary coil.
2. The iron core then becomes magnetised. But because the current is alternating, it means that the…
Comments
No comments have yet been made