Simple electric motorsFrom the Russian site Zabatsay, some demonstration to build a simple electric motor, requires:
- A Single AA battery
- A couple of regular steel paper clips
- Some sticky tape
- Some enamelled copper wire or verowire
- A knife or scraper
I don't know why it works properly with a DC power supply and no brushes.
I think it maybe to do with an irregularly formed coil so that the magnetic field is uneven and there can be an average force.
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