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what do electromagnets look like from the inside and how do they work?
can someone please explain becasue i can't find any diagrams.
asked in magnets, electromagnets, science

Messerwisser answers:

Electromagnets can look in many ways, but they have in common a core of magnetic material, usually soft iron, and a coil, a metal wire wound around the core. When a current passes the wire an electromagnetic field is produced that turns the core into a magnet.
When the current is switched off most of the magnetism disappears.
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