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 quantitiesEdit

Conductance is related to susceptance and admittance by the equation:

$ Y = G + i B \, $


The magnitude of admittance is given by:

$ \left | Y \right | = \sqrt {G^2 + B^2} $

See alsoEdit


External links Edit

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