V2EX conductance

Conductance

释义 Definition

导电率;电导(G):表示材料或元件让电流通过的“容易程度”。数值越大,越容易导电。常见单位是西门子(S)。在电路中,电导是电阻(resistance)的倒数:G = 1 / R
(也可指溶液的电导,和离子浓度、温度等有关。)

发音 Pronunciation

/kn.dk.tns/

例句 Examples

The conductance of copper is very high.
铜的导电率非常高。

As temperature rises, the conductance of this semiconductor changes significantly, which affects the circuit’s performance.
随着温度升高,这种半导体的电导会发生显著变化,从而影响电路性能。

词源 Etymology

conductance 来自 conduct(引导、传导),其词根含义与“带领、使通过”有关;后缀 -ance 用于构成名词,表示“性质、状态或程度”。因此 conductance 字面含义可理解为“传导的性质/程度”,在物理与工程语境中特指“导电的程度”。

相关词 Related Words

文学作品 Literary Works

  • The Feynman Lectures on Physics(《费曼物理学讲义》)
  • Introduction to Electrodynamics by David J. Griffiths(《电动力学导论》)
  • The Art of Electronics by Paul Horowitz & Winfield Hill(《电子学的艺术》)
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