describing electromagnets\nwarm - up\nfill in the terms that complete the statement.\nan electromagnet is a…

describing electromagnets\nwarm - up\nfill in the terms that complete the statement.\nan electromagnet is a with a core.
Answer
Brief Explanations:
An electromagnet is formed by passing an electric - current through a coil of wire, and it has a ferromagnetic core which can be easily magnetized and demagnetized.
Answer:
coil of wire; ferromagnetic