
OHM
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Ohm - Wikipedia
The ohm (symbol: Ω, the uppercase Greek letter omega) is the unit of electrical resistance in the International System of Units (SI). It is named after German physicist Georg Ohm (1789–1854).
歐姆 - 维基百科,自由的百科全书
欧姆(ohm)是国际单位制中電阻值的計量單位,属電流所推導出的导出单位,符号 Ω(为希臘字母,但改唸作 ohm)。 为了纪念 德國 物理學家 格奥尔格·欧姆 而命名;他定義了 電壓 和 電流 之間的關係,1A的電流通過 1 Ω {\displaystyle 1\Omega } 的電阻會產生1V的壓 ...
Ohm (Ω) electrical unit - RapidTables.com
Ohmmeter is a measurement device that measures resistance. Ohm is an electrical unit of resistance. The Ohm symbol is Ω.
Ohm's law - Wikipedia
Ohm's law states that the electric current through a conductor between two points is directly proportional to the voltage across the two points. Introducing the constant of proportionality, the resistance, [1] one arrives at the three mathematical equations used …
Ohm | Electricity, Resistance & Voltage | Britannica
Ohm, abbreviation Ω, unit of electrical resistance in the metre-kilogram-second system, named in honour of the 19th-century German physicist Georg Simon Ohm. It is equal to the resistance of a circuit in which a potential difference of one volt produces a …
欧姆(电阻单位)_百度百科
欧姆——以国际欧姆作为电阻单位,它以等于109CGSM电阻的欧姆作为基础,用恒定电流在融冰温度时通过质量为14.4521克、长度为106.3厘米、横截面恒定的水银柱受到的电阻。 欧姆的定义是一段电路的两端电压为1V,通过的电流为1A时,这段电路的电阻为1Ω.
What is Ohm (Ω)? Unit of Electrical Resistance and Impedance
Ohm is a unit of electrical resistance, named after Georg Simon Ohm, a German physicist who discovered Ohm’s Law, which states that the current flowing through a conductor between two points is directly proportional to the voltage across the two points, provided the temperature and other physical conditions remain constant.
Ohm (Ω) - Energy KnowledgeBase
One ohm is equal to the resistance of a circuit in which a potential difference of one volt produces a current of one ampere (1Ω = 1 V/A). It can also be described as the resistance in which one watt of power is dissipated when one ampere flows through it. The ohm is the unit used as measure of the resistance to flow of electricity in a material.
欧姆 (Ω) 单位定义 | Math Converse
The ohm is defined as an electrical resistance between two points of a conductor when a constant potential difference of one volt, applied to these points, produces in the conductor a current of one ampere, the conductor not being the seat of any electromotive force.