Permanent & induced magnets (Edexcel GCSE Physics): Flashcards
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What do permanent magnets always do?
What do permanent magnets always do?
Create their own magnetic field
Can permanent magnet magnetism be turned on/off?
Can permanent magnet magnetism be turned on/off?
No, cannot be turned on and off
Permanent magnets always do this
Permanent magnets always do this
Exert force on other magnets/magnetic materials
Alternative name for induced magnets
Alternative name for induced magnets
Temporary magnets
Induced magnets in a magnetic field
Induced magnets in a magnetic field
Become magnetised
Can induced magnets repel other magnets?
Can induced magnets repel other magnets?
No, only attracted to magnets
Induced magnets when field removed
Induced magnets when field removed
Lose most or all magnetism
How to make temporary magnet
How to make temporary magnet
Stroke with permanent magnet
Force between induced & permanent magnets
Force between induced & permanent magnets
Always attraction
Do induced magnets have fixed poles?
Do induced magnets have fixed poles?
No, do not have fixed poles
Examples of inducible magnetic materials
Examples of inducible magnetic materials
Iron, Nickel, Cobalt
Example of induced magnetism
Example of induced magnetism
Iron filings near bar magnets