Explain why electromagnets are better
than permanent magnets.
Answers
Answered by
2
Explanation:
Electromagnets can be turned on and off, the magnetic field of the electromagnet can be quickly changed by changing the current in the coil.
Answered by
0
Answer:
Explanation: because 1.electromagnet is stronger than permanent magnet
2.ex: it is used in removing metal scraps from garbage,in many toys,etc.
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