Question

what you mean by electro magnet

Answer 1

Answer:

$a \: core \: of \: magnetic \\ \: material \:  (such \: as \: iron) \: \\ surrounded \: by \: a \: coil \: \\ of \: wire \: through \: which \: \\ an \: electric \: current \: is \\ passed \: to \: magnetize \: \\ the \: core. \: is \: called \: electromagnet \:$

Answer 2

Magnet - Magnet is object with two poles North pole and South pole, opposite pole attract and like poles repel

ELECTROMAGNET - When electricity is passed through a metal the metal acts as a magnet. The magnet so formed is electromagnet

Elements which are could conductors of electricity form ELECTROMAGNET