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conductance    
n. 电导,导率,电导系数

电导,导率,电导系数

conductance
传导 电导

conductance
n 1: a material's capacity to conduct electricity; measured as
the reciprocal of electrical resistance

Conductance \Con*duct"ance\ (k[o^]n*d[u^]k"tans), n. [Conduct,
v. -ance.] (Elec.)
Conducting power; -- the reciprocal of {resistance}. A
suggested unit is the mho, the reciprocal of the ohm.

Conductance is an attribute of any specified conductor,
and refers to its shape, length, and other factors.
Conductivity is an attribute of any specified material
without direct reference to its shape or other factors.
--Sloane's
Elec. Dict.
[Webster 1913 Suppl.]


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  • Conductance and conductivity - Physics Stack Exchange
    Conductance is the extrinsic property while conductivity is the intrinsic property This means that conductance is the property of an object dependent of its amount mass or physical shape and size, while conductivity is the inherent property of the material that makes up the object
  • What is Conductance? - Physics Stack Exchange
    0 What is conductance? I am being said that conductance is inverse of resistance?I do know that resistance is the opposition to the flow of current but do not get conductance? I do know that:it is ease of flow current but my brain doesn't accept it,don't know why Ain't it so important!Couldn't even find it on wikipedia
  • Why is conductivity defined as the inverse of resistivity?
    Using conductance and conductivity can be useful when trying to calculate the total resistance of a material whose resistivity varies across its geometry See this question and this answer for an example
  • What conductance is measured for the quantum spin Hall state when the . . .
    Yes, König et al did indeed measure charge conductance in CdTe HgTe CdTe quantum wells I think your dilemma is a result of mixing up the description of the properties of the quantum spin Hall insulator with and without the existence of external bias
  • Is there a simple way to explain quantised conductance?
    The conductance enabling this current is then G0 = I V ∼ e τ e ΔE = e2 ΔE τ G 0 = I V ∼ e τ e Δ E = e 2 Δ E τ But the average transit time τ τ is on the order of the level's lifetime, that is, the average time it takes an electron to transition to another level
  • The relation between permittivity and conductivity
    As Purcell makes quite clear, conductance is a time-dependent phenomenon, and the distinction between insulators and conductors depends on what timescale you're considering, much like distinguishing solids and liquids depends on the timescale
  • electric circuits - Differential resistance vs. $R = \frac {U} {I . . .
    The differential resistance r and differential conductance g are defined by g = 1 r = dI dV In the tunnel diode characteristic, you have a region of negative differential resistance (or conductance) between the peak and valley voltages v1 and v2, which is useful for microwave frequency oscillators and other applications
  • Explaining how a magnetic field affects currents in a conductor, in the . . .
    In a normal conductor with very, very high conductance, a penetrating electric field accelerates the charges, but the self EMF of the electrons is almost enough to cancel all of the electric field to stop the acceleration Surface eddy currents prevent almost all magnetic field from entering the material





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