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conductance |
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conductance the ability of a system to conduct electricity, measured by the ratio of the current flowing through the system to the potential difference across it; the reciprocal of resistance. It is measured in reciprocal ohms, mhos, or siemens. Conductance The real part of the admittance of an alternating-current circuit. The admittance Y of an alternating-current circuit is a complex number given by Eq. (1). (1) In general the conductance of a circuit may depend on the capacitors and inductors in the circuit as well as on the resistors. For example, the circuit in the illustration has impedance at frequency &ohgr; given by Eq. (3) and admittance given by Eq. (4), so that the conductance, given by (3) ![]() (4) ![]() (5) Eq. (5), depends on the inductance L as well as the resistance R. See Admittance, Electrical impedance ![]() |
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Each also caused an increase in ionic conductances and an elevation of cytosolic free calcium (9, 10). She doesn't rule out the slower conductances, however. Theory predicts that wires of the same dimension and composition would show slightly different conductances, reflecting differences in the positions of the impurity atoms responsible for scattering the electron waves in each sample. |
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