3 years ago

How is an electromagnetic different from a bar magnet?

2 answers:

5 0

An electromagnet differs from a bar magnet as to make it become magnetic, an electric current is passed though copper wire. A bar magnet is continuously magnetic and does not need electricity passing through it.

Viefleur [7K]3 years ago

4 0

Answer:

c) Electromagnets are only magnetized when a current flows through a wire wrapped around the core.

this is the answer

Explanation:

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