Recent content by thedeepblue

(Magnetic balls do have north and south poles)

But surely if the ball (hence, the poles) was moving around in random directions, the magnetic field would fail to produce a current because it is not going in a specific direction with a specific north/south force?

Hey all, I was wondering about a varied version of something. I know that if you run a magnet up and down a tightly coiled tube of copper, it creates an electric current through the wire. I also know the reverse, which is that if you passed a current through that wire, while it was wrapped...