Recent content by yanom

  1. Y

    Made an electromagnet, curious about how this works exactly.

    ok, thanks. So flux is flow through a surface area? Like water through a certain area filter? Wait, how does magnetism "flow"? It isn't a type of waves/radiation, is it?:confused:
  2. Y

    Made an electromagnet, curious about how this works exactly.

    So transformers only work with AC current? what do you do if you have to voltage-change in a DC-only circuit? uhh... what's that? :redface:
  3. Y

    Made an electromagnet, curious about how this works exactly.

    Hi, I'm a sophmore in high school, and I haven't taken the Physics course yet. So I'm a bit green. Anyway, I was playing around with an electromagnet I made with a nail and some 1mm wire, and I've got a few questions about the magnetism it generates: -First, why does that iron core need to be...