A simple way to build your own electromagnet!
…which is pretty cool:
1. Take some insulated wire.
2. Wind it around a screw, maybe about 50 times.
3. Connect a big 1.5 V flash-light battery
Place it over some small metallic objects to test it.
Here’s an image:
Note: Not all metals are magnetic. For example copper coins won’t be attracted to the magnet.
Keep on Soldering!
PS! Want to learn electronics from scratch? Check out my eBook “Getting Started With Electronics”: