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OHM    音标拼音: ['om]
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Ohm
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ohm
n 1: a unit of electrical resistance equal to the resistance
between two points on a conductor when a potential
difference of one volt between them produces a current of
one ampere
2: German physicist who formulated Ohm's law (1787-1854) [synonym:
{Ohm}, {Georg Simon Ohm}]

Ohm \Ohm\ ([=o]m), n. [So called from the German electrician, G.
S. Ohm.] (Elec.)
The standard unit in the measure of electrical resistance,
being the resistance of a circuit in which a potential
difference of one volt produces a current of one amp['e]re.
As defined by the International Electrical Congress in 1893,
and by United States Statute, it is a resistance
substantially equal to 10^{9} units of resistance of the C.
G. S. system of electro-magnetic units, and is represented by
the resistance offered to an unvarying electric current by a
column of mercury at the temperature of melting ice 14.4521
grams in mass, of a constant cross-sectional area, and of the
length of 106.3 centimeters. As thus defined it is called the
{international ohm}.
[1913 Webster]

{Ohm's law} (Elec.), the statement of the fact that the
strength or intensity of an electrical current is directly
proportional to the electro-motive force, and inversely
proportional to the resistance of the circuit.
[1913 Webster]

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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)
  • Ohm (Ω) electrical unit - RapidTables. com
    Ohm (Ω) Ohm (symbol Ω) is the electrical unit of resistance The Ohm unit was named after George Simon Ohm 1 Ω = 1V 1A = 1J ⋅ 1s 1C 2 Table of resistance values of Ohm Ohmmeter Ohmmeter is a measurement device that measures resistance
  • 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
  • Ohm Symbol (Ω) Explained: Meaning, Formula Real-World Uses
    The Ohm symbol (Ω) is one of the most recognizable symbols in physics and electrical engineering It represents electrical resistance, a fundamental concept that governs how electric current flows through a material
  • OHM Nightclub - Discover Los Angeles
    "OHM Nightclub is the hottest new club to open in Hollywood Featuring state of the art lighting and sound systems, with amazing 150,000 watts speakers Located on the 4th level of the Hollywood Highland Center, including a fabulous outdoor patio directly above the world famous Hollywood Boulevard
  • What is Ohm (Ω)? Unit of Electrical Resistance and Impedance
    The resistance of a material can be calculated using Ohm’s Law, and is defined as the ratio of the voltage across the material to the current flowing through it
  • Voltage, Current, Resistance, and Ohms Law - SparkFun Learn
    Ohm defines the unit of resistance of "1 Ohm" as the resistance between two points in a conductor where the application of 1 volt will push 1 ampere, or 6 241×10^18 electrons
  • Ohm: The Complete Guide to Electrical Resistance Units
    The ohm, symbolized by Ω, is the cornerstone unit for measuring electrical resistance in our modern world From household circuits to sophisticated quantum measurements, understanding the ohm is essential for anyone working with electricity
  • What is an ohm and what does it measure? - TechTarget
    What is ohm? 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 directly or indirectly on the standard's fixed constants
  • ohm – Metric System
    Ohm’s law states that the current through a conductor between two points is directly proportional to the voltage across the two points, with the proportionality constant being defined as the resistance of the conductor





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