Question

Type of magnet used in removimg iron object from scrap.

Answer 1

1. Electromagnet is the type of magnet that can change its magnetic force with the change in current.
2. Electromagnet is an iron core, wrapped by a copper wire, On passage to electric current, the iron core is changed to a temporary magnet. This is called an electromagnet.
3. Since scrap is a type of junkyard that contains several different materials, an electromagnet is strong enough to attract the needed iron object from a whole chunk of the junkyard.