Answer:
1.That electromagnet can easily be changed by changing the amount of electric current that flows through it. ... The atoms of certain materials, such as iron, nickel and cobalt, each behave like tiny magnets.
2.Electromagnets are made of coils of wire with electricity passing through them. Moving charges create magnetic fields, so when the coils of wire in an electromagnet have an electric current passing through them, the coils behave like a magnet.
Explanation:
sana makatulong po
