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Magnetism by Mind Map: Magnetism
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Magnetism

Law of Magnetism

Like Poles Repel, Unlike Poles Attract

Properties

Found in magnetic materials

Not found in non-magnetic materials

Induced magnetism

eg. a single bar magnet can attract a iron nail hence becoming a magnet. In turn attracting another nail. When the bar magnet is removed,Both the nails fall off due to the lost of their induced magnetism.

Magnetic Materials

May Undergo Magnetisaton

May Undergo Demagnetisation

Magnets

Applications

Compass

Bar magnet(1)

with...

Strength

Field Lines

Drawing magnetic field lines

Properties