Ampere's forgotten law
Discussion
jet_noise said:
Hardest my brain has worked in a while watching that!
Interesting the parallel same-polarity coils attracting rather than repelling.
I should have put a warning, not a simple watch, Interesting the parallel same-polarity coils attracting rather than repelling.

The comments section got me some very knowledgeable people struggling with the concept perhaps because of the way they have been taught.
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