dotnet_vb firstname.lastname@example.org (Technology Guy) wrote in message
Magnetic field decreases at a rate of inverse cube of the distance
(1/d^3). In other words the field strength knocks off pretty darn
quick (of course this is dependent upon geometry and type of magnetic
field). Here is an example calculation template you can use to see
how the field of a permanent magnet degreades with distance.
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