Magnetism
by
Molgor
Last updated 6 years ago
Discipline:
Science Subject:
Physics
Grade:
9,10


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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