Mathematics, 05.11.2021 22:40 jay8682
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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.
Answers: 3
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I REALLY NEEP HELP RN
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