Magnetism

Magnetism

Magnetic materials:

Iron steel nickel cobalt.

Attraction and repulsion

Like poles repel

N<-> NS<->SN

Unlike pole attract

N>-<SN>-<S

The only true test of a magnet is to repel it with another magnet.

Types on magnet

There are many different types of magnet:

They are Bar, Horse show, circle/spherical, electromagnet.

Field lines

We can see the field lines around a magnet using iron filings.

Field lines always go from north to south poles.

The poles are the strongest points of the magnets.

Making a magnet

All methods of making a magnet work in the same way. They are trying…