Answer:
Wh en an ele ctric c urrent flows in a wire, it cre at es a ma g ne tic fie ld around the wire. Thi s ef fect can be used to make an electromagnet . A simple electr om agnet a length of wire tur ned into a c oil an d co nnected to a batt e ry or po wer sup ply.
Step-by-step explanation: