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).

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.

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, …

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The symbol for ohm is the Greek letter omega (Ω). Resistance is influenced by various factors, including the type of material, its temperature, and its dimensions.

Ohm’s Law is a fundamental principle in electronics and electrical engineering. It defines the relationship between three essential electrical quantities: voltage, current, and resistance.

Jan 18, 2023 · The ohm is the standard unit of electrical resistance in the International System of Units (SI). It's one of the derived units defined in the SI standard, which means it's based …

May 27, 2025 · The answer begins with one deceptively simple equation: Ohm’s Law. Named after the German physicist Georg Simon Ohm, this law is the bedrock principle that governs …

10 hours ago · ohm (plural ohms) In the International System of Units, the derived unit of electrical resistance; the electrical resistance of a device across which a potential difference of one volt …

Sep 7, 2025 · The concept of Ohm and understand its significance in electrical resistance. Learn about Ohm's law, its history, and practical applications in circuits.