Showing posts with label how to make an electromagnet with a 9v battery. Show all posts
Showing posts with label how to make an electromagnet with a 9v battery. Show all posts

Tuesday, June 16, 2020

How To Make An Electromagnet With A 9v Battery

Measure and cut a piece of insulated wire that is about four times the length of the nail. The project very easy to make and in this. ...