What does ohm's law mean?
Definitions for ohm's law
ohm's law
This dictionary definitions page includes all the possible meanings, example usage and translations of the word ohm's law.
Princeton's WordNet
Ohm's lawnoun
electric current is directly proportional to voltage and inversely proportional to resistance; I = E/R
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ohm's law
Ohm's law is a fundamental principle in electrical engineering and physics that states that the current flowing through a conductor between two points is directly proportional to the voltage across the two points, and inversely proportional to the resistance between them. It can be mathematically expressed as V=IR, where V is voltage, I is current, and R is resistance.
Wikidata
Ohm's law
Ohm's law states that the current through a conductor between two points is directly proportional to the potential difference across the two points. Introducing the constant of proportionality, the resistance, one arrives at the usual mathematical equation that describes this relationship: where I is the current through the conductor in units of amperes, V is the potential difference measured across the conductor in units of volts, and R is the resistance of the conductor in units of ohms. More specifically, Ohm's law states that the R in this relation is constant, independent of the current. The law was named after the German physicist Georg Ohm, who, in a treatise published in 1827, described measurements of applied voltage and current through simple electrical circuits containing various lengths of wire. He presented a slightly more complex equation than the one above to explain his experimental results. The above equation is the modern form of Ohm's law. In physics, the term Ohm's law is also used to refer to various generalizations of the law originally formulated by Ohm. The simplest example of this is: where J is the current density at a given location in a resistive material, E is the electric field at that location, and σ is a material dependent parameter called the conductivity. This reformulation of Ohm's law is due to Gustav Kirchhoff.
The Standard Electrical Dictionary
Ohm's Law
The fundamental law expressing the relations between current, electro-motive force and resistance in an active electric circuit. It may be expressed thus: (a) The current strength is equal to the electro-motive force divided by the resistance. (b) The electro-motive force is equal to the current strength multiplied by the resistance. (c) The resistance is equal to the electro-motive force divided by the current strength. All these are different forms of the same statement. Algebraically the law is usually expressed thus, (a) C = E. It may also be expressed thus: (b) E = C*R and (c) R= E/C, in which R denotes resistance, C denotes current strength, and E denotes electro-motive force.
Matched Categories
Numerology
Chaldean Numerology
The numerical value of ohm's law in Chaldean Numerology is: 2
Pythagorean Numerology
The numerical value of ohm's law in Pythagorean Numerology is: 1
Translations for ohm's law
From our Multilingual Translation Dictionary
- leĝo de ohmEsperanto
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"ohm's law." Definitions.net. STANDS4 LLC, 2024. Web. 28 Dec. 2024. <https://www.definitions.net/definition/ohm%27s+law>.
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