Magnetic substance

Electricity and Magnetism Level 2

The above left(A) shows a schematic picture of the random magnetic domains of a certain magnetic substance when no magnetic field is applied. The above right(B) shows highly oriented domains when a uniform magnetic field is applied. Which of the following statements is correct?

a) This substance is a ferromagnetic substance.

b) The direction of the magnetic field is to the right.

c) If we remove the magnetic field applied on (B), then the magnetic domains will return to what is shown in (A).


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