Physics GCSE
iron core
What iron core means in Physics GCSE, as defined for AQA.
Definitions of iron core
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Reference: AQA
Iron is used for the core because it is easily magnetised and demagnetised, allowing its magnetism to follow an alternating magnetic field.
The material on which the two coils are wound, carrying the changing magnetic field round to the secondary.
Topics that use iron core
- Transformers (HT only) (AQA GCSE)
Related terms
- magnetic linking
- National Grid transmission
- Turns ratio and power equations
- Changing magnetic field
- Easily magnetised
- primary coil
- secondary coil
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