permanent magnets
What permanent magnets means in Physics GCSE, as defined for AQA, OCR.
Definitions of permanent magnets
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Reference: AQA
A magnet that produces its own magnetic field all the time, with fixed north and south poles that are there whether or not another magnet is anywhere near.
A magnet that keeps its own magnetic field all the time, whether or not it is near anything else.
These produce their own field all the time with fixed poles and can repel.
Topics that use permanent magnets
- Poles of a magnet (AQA GCSE)
- Magnets and magnetic fields (OCR GCSE)
Related terms
- attraction and repulsion
- induced magnets
- always attraction
- chain of nails
- Combining fields of multiple turns
- contact forces
- demagnetisation
- Dipping compass and vertical field component
Using permanent magnets in the exam
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