# Electrical conductance

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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 quantitiesEdit

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 alsoEdit

## External links Edit

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