How are electro magnets different from other magnets

Physics

2 answers:

Lena [83]3 years ago

8 0

Answer:

A permanent magnet is an object made from a material that is magnetized and creates its own persistent magnetic field. ... An electromagnet is made from a coil of wire which acts as a magnet when an electric current passes through it.

katen-ka-za [31]3 years ago

7 0

An electromagnet is made from a coil of wire which acts as a magnet when an electric current passes through it. Often an electromagnet is wrapped around a core of ferromagnetic material like steel, which enhances the magnetic field produced by the coil.

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kipiarov [429]

Answer:

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Answer:

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