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Old 03-10-2019, 11:47 PM
bistander bistander is online now
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Faraday's Paradox

https://en.m.wikipedia.org/wiki/Faraday_paradox

Wikipedia isn't necessarily the ultimate authority, but it does give a good discussion on the topic and provides a number of references which can lead the interested reader to great resources.

And, if you don't believe things you can't touch, small homopolar dynamos are not terribly difficult to construct.

bi

{edit}

An Investigation of the Homopolar Generator:
Determining the Impact of System Characteristics on Efficiency

by Jared Kirschner, Shane Moon

I did, and you should be able to find a PDF and download this paper. It goes through the characteristic equations including torque.
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Last edited by bistander; 03-11-2019 at 12:17 AM.
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