Mathematics, 05.11.2021 22:40, jay8682

I REALLY NEEP HELP RN Which of the following is the difference between a permanent magnet and an electromagnet?

An electromagnet can be turned on and off, but a permanent magnet cannot.

A permanent magnet has a north and south pole, but an electromagnet does not.

Their strength can be changed.

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I REALLY NEEP HELP RN Which of the following is the difference between a permanent magnet and an e...