Question

(help please) Which is the best definition for an electromagnet?

A)a device made of a metal core that conducts electric current through a magnetic field
B)a device made of an iron core that is magnetized by electric current in a coil that surrounds it
C)a device made of a nonmagnetized core that is magnetized by electric current in a coil that surrounds it
D)a device made of a magnetized core that is surrounded by a magnetic field

Answer 1

Bianey23_ i thinks it C

Answer 2

It is C.
Since, electromagnet requires to be non-magnetic when no electricity is passed through it.

Answer 3

thank you!!!!