Thanks sophiecentaur and phinds for the responses. I'll read up more on how batteries work. I think I have enough information now to continue with my experiments though. Eventually I do plan on creating a rotary generator, then a wind turbine which uses that.
New here, sorry if this in the wrong thread.
I just finished a college general physics 2 course and in it we had an experiment where we passed a magnet through a coil of copper and a computer read what the induced emf was. This reminded me of a flashlight I have which uses the...