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Electro-magnets
of course not.
duplicate
Electro magnets can be very useful to carry heavy loads of iron and metal from one side of a factory to another. Electro-magnets are formed by shooting electricity through a coil of copper.
Yes, because electromagnets can lose their magnetism.
Yes, electromagnets itself is an artificial magnet.
For a simple electro-magnet use a DC supply.
Lots of things do. For example, relays. (The electronical component)
A loud speaker can use electro magnets and i hope this helps =)
(electro) Magnets in the "track".
car wreck (scrapyards) metel dedectors at airports
They can be used in Junk yards to pick up junk. They can be used in a Dentist.