2025年1月2日 · The symbol for ohm, the unit of electrical resistance in the International System of Units. The Unicode Standard states that Ω (U+2126 OHM SIGN) is included in Unicode only for backward compatibility reasons. Ω (U+03A9 GREEK CAPITAL LETTER OMEGA) is preferred to represent ohms. Ω on 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).

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偏心因子 ω，广泛应用于普遍化 热力学性质 的计算，其值与 纯物质 的 临界温度 、 临界压力 有关。 一个符号，在各个方面有不同的意思：即是希腊字母，在数理化都有各种不同的意义，在数学中表示正弦函数的角速度、物理中叫做角速度（与圆周运动相关）、化学中表示质量分数、热力学中表示偏心因子、欧姆 (单位)。

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The International System of Units (SI) features ohms as measurement units for electrical resistance. The symbol “Ohm Sign” is included in the “Letterlike symbols” subblock of the “Letterlike Symbols” block and was approved as part of Unicode version 1.1 in 1993.

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Ohm单位以George Simon Ohm命名。 1 Ω = 1V / 1A = 1J⋅1S / 1C 2. 欧姆电阻表

The Ohm, symbolized by the Greek letter Ω, is a fundamental unit of electrical resistance in the field of physics and electrical engineering. Named after the German physicist Georg Simon Ohm, this unit plays a crucial role in understanding and quantifying the opposition that materials offer to the flow of electric current.

Ω | | ohm sign (U+2126) @ Graphemica. UTF-16/UTF-16BE (hex) 0x 2621