Larryz Posted December 18, 2012 Posted December 18, 2012 Some metals are not magnetic I had a hunch that they might use electromagnetic induction rate of change of flux linkage etc but does this work for gold etc
mathematic Posted December 19, 2012 Posted December 19, 2012 http://www.wiziq.com/tutorial/43401-Metal-detectors-and-LCR-circuits
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