Permanent & induced magnets (Edexcel GCSE Physics Combined Science): Flashcards
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What are permanent magnets?
What are permanent magnets?
Magnets that always create their own magnetic field
Can permanent magnetism be turned on/off?
Can permanent magnetism be turned on/off?
No, cannot be turned on or off
Induced magnets - alternative name
Induced magnets - alternative name
Temporary magnets
When do induced magnets become magnetised?
When do induced magnets become magnetised?
When placed in a magnetic field
Can induced magnets repel?
Can induced magnets repel?
No, only attract other magnets
What happens to induced magnets when the field is removed?
What happens to induced magnets when the field is removed?
Lose most or all their magnetism
Induced magnets - fixed poles?
Induced magnets - fixed poles?
No, do not have fixed poles
How to create an induced magnet
How to create an induced magnet
Stroke with a permanent magnet
Permanent & induced magnet interaction
Permanent & induced magnet interaction
Always attraction
Examples of induced magnetic materials
Examples of induced magnetic materials
Iron, Nickel, Cobalt
Example of induced magnetism in action
Example of induced magnetism in action
Iron filings near bar magnets
Do permanent magnets always exert force?
Do permanent magnets always exert force?
Yes, on other magnets or magnetic materials
Examples of permanent magnets
Examples of permanent magnets
Bar magnets, horseshoe magnets