Answer:
1.Ferromagnetic (or ferrimagnetic).
2. Yes, because magnets have a magnetic field, which creates a force, that pulls on other ferromagnetic materials.
3. A device consisting of a core of magnetic material surrounded by a coil through which an electric current is passed to magnetize the core.
4.
Explanation:
Sa number four (4) po, Hindi ko po alam. Pero Sana nakatulong. Sorry ulit po