siemens

siemens — 名詞

1. the scientific unit used to measure how easily electricity can move through an o

1.名詞C1
釋義

西門子

電導的標準單位，符號為 S

the scientific unit used to measure how easily electricity can move through an object or substance. One siemens equals the rate of flow of one ampere when one volt of electrical pressure is applied.

例句

Devika checked the cable's rating; its conductance was 50 siemens.

Devika 檢查了電線的規格，其電導值為 50 西門子。

collocation: measured in siemens

The datasheet listed the output conductance as 0.2 siemens.

這份資料表列出輸出電導為 0.2 西門子。

invariant plural: 0.2 siemens

同義詞
  • mho

    older, non-SI name; the word 'ohm' spelled backwards

用法筆記

The plural form is the same as the singular: '5 siemens' (not '5 siemenses'). The symbol is an uppercase S — for example, '10 mS' means 10 millisiemens. The unit is the reciprocal of the ohm: conductance (in siemens) = 1 ÷ resistance (in ohms).

常見錯誤

❌The resistor has a siemens of 100.
✅The resistor has a conductance of 100 siemens.
💡siemens is a unit of measurement, not the name of the property being measured.