Electrical conductance

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(Redirected from Electric conductance)

Electrical conductance is the reciprocal of electrical resistance. The SI derived unit of conductance is the siemens (symbol S, equal to 1/Ω). In September of 1885, Oliver Heaviside coined this term.

Electrical conductance should not be confused with electrical conductivity, which is material specific feature and reciprocal of electrical resistivity.

Conductance, G, is related to susceptance, B, and admittance, Y, by the equation:

<math>Y = G + j B \,<math>

where:

Y is the admittance, measured in siemens
G is the conductance, measured in siemens
<math>j = \sqrt{-1}<math> is the imaginary unit
B is the susceptance, measured in siemens

The magnitude of admittance is given by:

<math>\left | Y \right | = \sqrt {G^2 + B^2}<math>

Template:Physics-stub

SI units

Template:SI electromagnetism units

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