The unit of resistance, reactance, and impedance in the centimeter-gram-second electrostatic system of units. One statohm is the resistance between two points in a conductor when a constant potential difference of 1 statvolt applied between the points produces in the conductor a current of 1 statampere, the conductor not being the source of any electromotive force, approximately 8.9876 × 10¹¹ ohm. Symbol, statΩ.
For an excellent history of the development of the electric and magnetic units up to 1913, see U. S. Bureau of Standards Circular 60.
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Last revised: 8 March 2008.