Science, asked by lhuzacilola, 2 months ago

Electromagnet are permanent magnet that can attract any metal or magnetic material

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Answered by bharat1234567819

Answer:

Lodestone (also called Magnetite) is a naturally-occurring “permanent” magnet mineral. By “permanent,” it is meant that the material maintains a magnetic field with no external help. The characteristic of any magnetic material to do so is called retentivity. Ferromagnetic materials are easily magnetized.

Explanation:

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Answered by POORNIMACHOURE20VIII

Answer:Lodestone (also called Magnetite) is a naturally-occurring “permanent” magnet mineral. By “permanent,” it is meant that the material maintains a magnetic field with no external help. The characteristic of any magnetic material to do so is called retentivity. Ferromagnetic materials are easily magnetized.

Explanation:

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