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Is there any known detector that can distinguish between a time varying B field (like an electromagnet driven with an alternating current) and a moving, space varying, B field?
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if it is pointed vertically and rotating around a vertical axis, an electrometer can tell. but you are going to either need a very sensitive one, or a very strong field.
I am curious as to other options myself.
my next build should give me a moving, space varying, B field. So I will have something to test on.
I already have the same format in a time varying B field (that did not do what I want), so I get to compare.
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