When a ferromagnetic material that has been magnetised is brought to a temperature greater than the Curie temperature, what happens to its residual magnetism?
A)Nothing happens to the residual magnetism.
B)The residual magnetism disappears.
C)The residual magnetism reaches its highest value.
D)All the magnetic domains causing magnetism become a single domain.
E)The material of the magnet melts causing currents that are magnetic.

Question

Quizplus · Accepted Answer

When a ferromagnetic material that has been magnetized is brought to a temperature greater than the Curie temperature, it loses its ferromagnetic properties as thermal agitation overcomes the interactions between the magnetic domains. This causes the residual magnetism to disappear.

When a Ferromagnetic Material That Has Been Magnetised Is Brought