Make a basic electromagnet

Step 3: Connect your battery

Now we will get power into this. Strip both ends of the wire and connect them to your battery. I used electrical tape to hold down my battery, but you don't need to.

Comments

[alsports2000]

Did you solder both ends or just the negative end?? Or do you just hold the negative side and release it to drop objects??. Does the nail get too hot that you cannot hold it for a couple seconds??. Thanks. AL.