Magnetism

Not all materials are magnetic!Non-magnetic materials include organic substances, some metals (copper), etc.Magnetic materials are called ferromagnetic. They are further classified into:- Hard magnetic materials (like steel), which make permanent magnets- Soft magnetic materials (like iron) which are magnetised temporarily

All magnets have two poles called N and S

Like poles repel

Unlike poles attract

Learn the basics of magnetism!

Magnetism

Electric currents also generate a magnetic field!

A crane with an electromagnet uses this effect

All magnets generate a magnetic field around it.This can be felt by a another magnet, like a compass!

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