Permanent magnets
What Permanent magnets means in Physics A-Level, as defined for OCR.
Definition of Permanent magnets
Check what you remember
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Reference: OCR
These produce a magnetic field because atomic magnetic moments within domains are aligned, giving a net magnetic field in materials such as iron, cobalt and nickel.
Topics that use Permanent magnets
- Magnetic fields (OCR A-Level)
Related terms
- Direction of force on a conductor
- Experimental technique
- Field line conventions
- Field patterns of current-carrying conductors
- Fleming's left-hand rule
- Graphical analysis
- Magnetic flux density
- Magnetic flux density measurement
Using Permanent magnets in the exam
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