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Siemens (unit)
The
siemens
(SI unit symbol:
S
) is the unit of
electric conductance
,
electric susceptance
and
electric admittance
in the
International System of Units
(SI). Conductance, susceptance, and admittance are the reciprocals of
resistance
,
reactance
, and
impedance
respectively; hence one siemens is equal to the reciprocal of one
ohm
, and is also referred to as the
mho
. The 14th
General Conference on Weights and Measures
approved the addition of the siemens as a
derived unit
in 1971.
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