A region in a ferromagnetic material that has a large number of atoms with aligned magnetic fields is called a what?

(A) ferromagnetic region
(B) magnetic declination
(C) magnetosphere
(D) magnetic domain

Respuesta :

Magnetic domain


Its speed can be slowed because the magnetic field can be turned on and off, can have its direction reversed and can have its strength changed. However, The speed of a magnetic field that is produced by a current is impossible to be slowed. 

Answer: (D) Magnetic Domain

Explanation: