Do you ever wonder what an electro magnet is or how it works? Well it is fairly simple being the genius that you are. An electro magnet is simple to create and is even more fun to play with. The definition of an electro magnet is a temporary magnet that creates a small electrical field when electricity flows through it. I made mine using some copper wire, a 9v, and a nail. The nail is the core but you can use any core you choose to. Now heres some background information for you.
If you look at a battery it has two sides. One terminal is marked positive and the other is negative. …
