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Simple electric motors

Simple electric motors

From the Russian site Zabatsay, some demonstration to build a simple electric motor, requires:
  1. A Single AA battery
  2. A couple of regular steel paper clips
  3. Some sticky tape
  4. Some enamelled copper wire or verowire
  5. 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.

VIDEO WARNING: The background music is too funky for you, don't click to view!


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