Roller Homopolar Motor
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Another variant of the homopolar motor. This time I create the necessary short circuit to activate the motor with a copper wire or iron. Fun science experiment
For this experiment i have used Duracell Rechargeable battery
http://amzn.to/2mcLGHQ
i use
2 neodymium magnet 20x3mm and
2 magnet 15x5mm with hole
a rechargeable battery
copper wire
iron wire
