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Joseph Henry
Linc Robinson built the first electromagnet.
An electromagnet.
an electromagnet
an electromagnet
In 1856 Meucci later claimed that he constructed the first electromagnetic telephone, made of an electromagnet with a nucleus ect
increase the current on the electromagnet
No, the electromagnet is not made weaker by making the core larger. It can be made weaker by decreasing its current and/or turns of coil.
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
No, a toothpick is not a part of an electromagnet. An electromagnet is typically made up of a coil of wire wrapped around a core material such as iron, while a toothpick is simply a small stick made of wood or plastic.
That is an electromagnet.
A copper wire was wrapped around an iron bar to create the first electromagnet.