Square Root of Negative One

magnet grade

Posted in EnS by cheng on January 10, 2010

One MGOe is 1,000,000 Gauss Oersted. A grade forty (N40) would have a Maximum Energy Product of 40 MGOe. The higher the grade the “stronger” the magnet.

[http://www.rare-earth-magnets.com/magnet_university/magnets_FAQ.htm]

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