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lawyer [7]
3 years ago
13

How is an electromagnet different from a bar magnet?

Chemistry
2 answers:
german3 years ago
6 0

Answer:

a i think sorry if its wrong

ziro4ka [17]3 years ago
4 0

Answer:

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

Explanation:

An electromagnet is a magnet that runs on electricity. Unlike a permanent magnet (bar magnet), amount of electric current that flows through electromagnet changes the strength of an electromagnet. The poles of an electromagnet are determined by flow of electricity.

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