Tag Archives: electric motor

What is a homopolar motor and how does one work?

Neodymium disc magnets and an electromagnetic coil with AA battery

In our previous blog article we took a look at how a DC and an AC motor works and described how you can build your own basic DC motor. Even simpler than a basic DC motor, is a homopolar motor. First created in 1821, it really is the simplest example of a motor possible, and really easy to experiment with.

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