Linc Robinson built the first electromagnet.
electromagnet
British scientist William Sturgeon invented the electromagnet in 1824.[7][8] His first electromagnet was a horseshoe-shaped piece of iron that was wrapped with about 18 turns of bare copper wire
Joseph Henry
The comon bar magnet has two poles, and the electromagnet can be turned on and off also the electromagnet uses electricity to create a magnetic field in the first place. so the difference is normal magnet cant be turned on and off but the electromagnet can. does that answer ur question?
yo bro no body cares oh
Coils of wire
The first electromagnet was invented in 1825.
Coils of wire
electromagnet
A magnetic field.
coil