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Electrical conductance is the reciprocal of electrical resistance. It is a measure of how easily electricity flows along a certain path through an object. The SI derived unit of conductance is the siemens (symbol S, equal to 1/Ω; alias the "mho"). Oliver Heaviside [1] coined the term in September 1885.

Electrical conductance should not be confused with conduction, which is the mechanism by which charge flows, or with conductivity, which is a property of a material.

Relation to other quantities[]

Conductance is related to susceptance and admittance by the equation:

where:

  • Y is the admittance, measured in siemens
  • G is the conductance, measured in siemens
  • is the imaginary unit
  • B is the susceptance, measured in siemens

The magnitude of admittance is given by:

See also[]

SI

External links[]

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