Some types of metal materials with permanent magnetic moment is in, even if they are not under a magnetic field. Makes it possible to reveal a strong and permanent magnets. This behavior is called.
Some materials have a permanent magnetic moment in time, even though it is not located under a magnetic field. Allows state and a permanent magnet. This behavior is called
There are some kinds of metal materials, permanent magnetic moment is in even if it is not under a magnetic field. It can show the strong magnetism and permanent, looks like this is called