Question

Which material are magnetic?

Answer 1

Metals, magnets are magnetic...

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Answer 2

Answer:

Explanation:

aluminium,cobalt,nickel,iron

Only a few materials, called "ferromagnetic" materials, exhibit magnetic properties of significant strength. These materials include nickel, iron, cobalt, a few rare earth elements, and some of their alloys. These materials can become magnetized when exposed to an external magnetic field, and consequently attracted to a magnet. In this case, magnetic domains within the material become temporarily aligned to create a magnetic field of their own. Some of these materials may remain in their aligned state even when the external field is removed, thereby making a permanent magnet. See our lesson on Iron and Magnets for more discussion about the microscopic process of magnetization.