Create a homopolar electric motor at home, 11°

Image by Stanford Magnets

I will show you how to create a simple homopolar electric motor here. It's really easy to do, and you will not need any professional material or stuff to do that at home. Today, I will design a simple one, you can also create your own homopolar motor with some creative design.
1. A piece of copper wire (or Aluminum wire). I will be using copper wire here. The wire should be longer than 15cm or 6’’ (which is 3 to 4 times the length of an AA battery). The diameter should be larger than 0.4mm and smaller than 1 mm. (as you can see here)

2. Several small neodymium disc magnets (which should have a Diameter less than 1cm, magnetized through thickness). I will use 5 small neodymium disc magnets obtainable from Stanford Magnets.

3. A new AA battery.

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