Magnetism (OCR GCSE Physics A (Gateway Science Suite)): Flashcards
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Practise the cards
12 cards from this deck
Key property of permanent magnets?
Key property of permanent magnets?
Always create their own magnetic field
Can permanent magnets be turned on/off?
Can permanent magnets be turned on/off?
No, cannot be turned on or off
Examples of permanent magnets
Examples of permanent magnets
Bar magnets, horseshoe magnets
What are induced magnets?
What are induced magnets?
Become magnetised when placed in a magnetic field
Can induced magnets repel other magnets?
Can induced magnets repel other magnets?
No, only attracted
Induced magnets when field removed?
Induced magnets when field removed?
Lose most or all their magnetism
Do induced magnets have fixed poles?
Do induced magnets have fixed poles?
No, do not have fixed poles
How to make temporary magnets
How to make temporary magnets
Stroke with a permanent magnet
Force between induced & permanent magnets
Force between induced & permanent magnets
Always attraction
Examples of induced magnet materials
Examples of induced magnet materials
Iron, Nickel, Cobalt
Another name for induced magnets
Another name for induced magnets
Temporary magnets
Do permanent magnets always exert force?
Do permanent magnets always exert force?
Yes, always exerting force on magnets or magnetic materials