Magnets & magnetic field (Edexcel GCSE Physics): Flashcards
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Practise the cards
13 cards from this deck
Magnetic field definition
Magnetic field definition
Area around magnet where forces influence magnets/magnetic materials
Direction of magnetic field lines
Direction of magnetic field lines
From north pole to south pole
Where magnetic fields are strongest
Where magnetic fields are strongest
Near the north and south poles
Closer field lines indicate
Closer field lines indicate
Stronger magnetic field
Further field lines indicate
Further field lines indicate
Weaker magnetic field
Two methods to show magnetic field lines
Two methods to show magnetic field lines
Plotting compasses and iron filings
What is a compass needle
What is a compass needle
A tiny bar magnet that lines up with the magnetic field
Where compass north pole points near a magnet
Where compass north pole points near a magnet
Towards the south pole
Where compass points when not near a magnet
Where compass points when not near a magnet
Towards Earth's north pole
Why compass points to Earth's north pole
Why compass points to Earth's north pole
Earth generates own magnetic field (N pole is magnetic S pole)
How iron filings show magnetic fields
How iron filings show magnetic fields
Sort themselves along magnetic field lines
What happens when opposite poles are together
What happens when opposite poles are together
Attraction
What happens when like poles are together
What happens when like poles are together
Repulsion