Question

the bacic sorce of magnetic is ____​

Answer 1

Explanation:

Only a few substances are ferromagnetic; the most common ones are iron, cobalt and nickel and their alloys. The prefix ferro- refers to iron, because permanent magnetism was first observed in lodestone, a form of natural iron ore called magnetite, Fe3O4. All substances exhibit some type of magnetism.

Answer 2

Answer:

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