Question

A ferromagnetic material is subjected to a strong magnetic field and afterward acts as a permanent magnet. Why does this occur?

A. The magnetic field gives the ferromagnetic material an electric charge.

B. The motion of the iron nuclei produces a magnetic field.

C. The magnetic field aligns the magnetic domains mainly in one direction.

D. Long-range electric currents circulating in the iron make it magnetic.

Answer 1

I is option C

Answer 2

oh! ok! thanks!

Answer 3

:)