The Physical Basis of EMC

Armed with these few basic principles, electromagnetic compatibility (EMC) issues are easily visualised, and problems more easily solved, using only very simple mathematics and plain English.

Usually, articles like this start off by expounding Maxwell’s famous equations, sometimes even deriving them from first principles. These are then used to solve a few simple constructions, such as an infinitely thin infinitely long perfectly-conducting wire suspended over an infinite plain of perfectly conducting material. Having to this far, they then usually abandon the reader, as if everything that could be said, had been said.


First published in The EMC Journal, in four parts in Issues 85 – 88, Nov 2009, January, March, and May 2010

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