experiment 🧪:electro magnetic fields 🧲

追加: 2026-05-16

[00:00:00]Show you that but now batteries nearly like a pump for electricity right it pushes electrons through a conductive path like wire so go ahead and plug those in. What do you guys think is going to happen to the compass needle in the coil when I put it in and turn on the put on the current in the coil. Show you that right here. I've got a coil of wire made in my garage and there's this little compass here which is misbehaving right now but anyway I'm going to need a volunteer.