Definitions for ampère
ˈæm pɪər, æmˈpɪər, Fr. ɑ̃ˈpɛram·père

Princeton's WordNetRate this definition:0.0 / 0 votes

1. ampere, international amperenoun

   a former unit of electric current (slightly smaller than the SI ampere)

2. ampere, amp, Anoun

   the basic unit of electric current adopted under the Systeme International d'Unites

   "a typical household circuit carries 15 to 50 amps"

WiktionaryRate this definition:0.0 / 0 votes

1. amperenoun

   A unit of electrical current, the standard base unit in the International System of Units. Abbreviation: amp, Symbol: A

   Definition: The ampere is that constant current which, if maintained in two straight parallel conductors of infinite length, of negligible circular cross-section, and placed 1 metre apart in vacuum, would produce between these conductors a force equal to 2 x newton per metre of length. (The International Bureau of Weights and Measures)

2. Etymology: Named after the physicist.

WikipediaRate this definition:0.0 / 0 votes

1. Ampere

   The ampere (, US: ; symbol: A), often shortened to amp, is the unit of electric current in the International System of Units (SI). One ampere is equal to 1 coulomb or 6.241509074×1018 electrons worth of charge moving past a point in a second. It is named after French mathematician and physicist André-Marie Ampère (1775–1836), considered the father of electromagnetism along with Danish physicist Hans Christian Ørsted. As of the 2019 redefinition of the SI base units, the ampere is defined by fixing the elementary charge e to be exactly 1.602176634×10−19 C (coulomb), which means an ampere is an electrical current equivalent to 1019 elementary charges moving every 1.602176634 seconds or 6.241509074×1018 elementary charges moving in a second. Prior to the redefinition the ampere was defined as the current that would need to be passed through 2 parallel wires 1 metre apart to produce a magnetic force of 2×10−7 newtons per metre. The earlier CGS system had two definitions of current, one essentially the same as the SI's and the other using Coulomb's law as a fundamental relationship, with the unit of charge defined by measuring the force between two charged metal plates. The ampere was then defined as one coulomb of charge per second. In SI, the unit of charge, the coulomb, is defined as the charge carried by one ampere during one second.

ChatGPTRate this definition:0.0 / 0 votes

1. ampere

   The ampere, often shortened to "amp," is the base unit of electric current in the International System of Units (SI). It is defined by taking the fixed numerical value of the elementary charge to be 1.602176634 ×10⁻¹⁹ when expressed in the unit C, which is equal to A.s, where the second is defined in terms of the cesium frequency. In simpler terms, this signifies the quantity of electricity conveyed in one second across a conductor in which there is a constant current of one amp.

Webster DictionaryRate this definition:0.0 / 0 votes

1. Amperenoun

   alt. of Ampere

2. Amperenoun

   the unit of electric current; -- defined by the International Electrical Congress in 1893 and by U. S. Statute as, one tenth of the unit of current of the C. G. S. system of electro-magnetic units, or the practical equivalent of the unvarying current which, when passed through a standard solution of nitrate of silver in water, deposits silver at the rate of 0.001118 grams per second. Called also the international ampere

3. Etymology: [From the name of a French electrician.]

WikidataRate this definition:1.5 / 2 votes

1. Ampere

   The ampere, often shortened to Amp, is the SI unit of electric current and is one of the seven SI base units. It is named after André-Marie Ampère, French mathematician and physicist, considered the father of electrodynamics. In practical terms, the ampere is a measure of the amount of electric charge passing a point in an electric circuit per unit time with 6.241 × 1018 electrons, or one coulomb per second constituting one ampere. The practical definition may lead to confusion with the definition of a coulomb, but in practical terms this means that measures of a constant current will be defined in amperes and the flow of charge through a circuit over a period of time will be defined in coulombs. In this way, amperes can be viewed as a flow rate, i.e. number of particles transiting per unit time, and coulombs simply as the number of particles.

Chambers 20th Century DictionaryRate this definition:0.0 / 0 votes

1. Ampère

   am-pehr′, n. in electricity, unit of current. [From Ampère, a French electrician who died in 1836.]

The Standard Electrical DictionaryRate this definition:0.0 / 0 votes

1. Ampere

   The practical unit of electric current strength. It is the measure of the current produced by an electro-motive force of one volt through a resistance of one ohm. In electric quantity it is the rate of one coulomb per second. It is one-tenth the absolute C. G. S. unit of current strength. Its best analogy is derived from water. Assuming the electric current to be represented by a current of water, the pressure, head, or descent producing such current would be the electro-motive force. The current might be measured in gallons (or other unit) passed per second. In the analogy these gallons would be coulombs. But it might be measured by reference to a standard stream, as for instance, the stream which would pass through a hole an inch square under a given head, say six inches of water. This unit is the miner's inch, and is the exact analogy of the ampere. A current of water may flow at the rate of so many miner's inches, just as a current of electricity may flow at the rate of so many amperes. In neither case it will be noted is there any reference to time. "An ampere per second" is a redundant expression, and means no more than "an ampere"; an "ampere-second," on the other hand, is a coulomb. The number of coulombs passed per second gives the amperes of current. For value of ampere, see Coulomb. [Transcriber's note: The SI definition of an ampere: A current in two straight parallel conductors of infinite length and negligible cross-section, 1 metre apart in vacuum, would produce a force equal to 2E-7 newton per metre of length.] Fig. 13. THE MINER'S INCH AS AN ANALOGY FOR THE AMPERE.

Editors ContributionRate this definition:0.0 / 0 votes

1. ampere

   A unit of electric current.

   Electric current is measured in amperes.

   
   

   Submitted by MaryC on January 27, 2017  

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1. • Current Unit

How to pronounce ampère?

1. Alex

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How to say ampère in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of ampère in Chaldean Numerology is: 2

2. Pythagorean Numerology

   The numerical value of ampère in Pythagorean Numerology is: 8

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References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=ampère
2. ^ Wiktionary
   https://en.wiktionary.org/wiki/Ampere
3. ^ Wikipedia
   https://en.wikipedia.org/wiki/Ampere
4. ^ ChatGPT
   https://chat.openai.com
5. ^ Webster Dictionary
   https://www.merriam-webster.com/dictionary/ampère
6. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=ampère
7. ^ Chambers 20th Century Dictionary
   https://www.gutenberg.org/files/37683/37683-h/37683-h.htm#:~:text=ampère
8. ^ The Standard Electrical Dictionary
   https://www.gutenberg.org/cache/epub/26535/pg26535-images.html#:~:text=ampère