Magnetic fields Flashcards
How many metals are magnetic?
3
What are the magnetic metals?
iron, cobalt and nickel
What is a magnetic field?
The region around the magnet where a force acts on another magnet/magnetic material.
Whats the force called between a magnet and a magnetic material?
attraction
What depends on the distance from the magnet?
The strength of the magnetic field
Where is the field strongest?
the poles
What is given by the direction of the force that would act on another north pole?
direction of the magnet
The direction of the magnet is given by the what?
direction of the force that would act on another north pole
What is the direction of the magnetic field?
north to south pole
What does a magnetic compass contain?
a small bar magnet
What does the earth have?
a magnetic field
What does the compass needle point to?
the earths magnetic field
Materials like steel contain what?
domains
What do domains act like?
tiny magnets
domains are … aligned
randomly
