Question

Which group has obtained a material

with magnetic properties?​

Answer 1

Answer:

ferromagnetic ........

Answer 2

Answer:

ferromagnetic

Only a few substances are ferromagnetic; the most common ones are iron, nickel and cobalt 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.

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