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What metals are magnetic?
Iron, Steel, Nickel, Cobalt
What metals are not magnetic?
Aluminium, copper, brass
Most effective way to magnetism materials?
Direct current
What is a magnetic field?
The region in space where magnetic materials experience a force
How to demagnetise magnets?
Heating, Hitting, Alternating current
Where do poles run from?
N to S
Magnetism definition
An invisible force produced by moving electric charges