Chemistry, 22.01.2021 18:40 stephany6523

How can you make an item that is made of magnetic material become a permanent magnet instead of a temporary magnet? * 1.You can put it in a very strong magnetic field. 2.You can heat it while it is being influenced by a magnetic field. 3. You can leave it in the magnetic field of an actual magnet for a long time. 4. You can do any of the above.

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How can you make an item that is made of magnetic material become a permanent magnet instead of a te...