Ambers junction

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Amberley is currently undergoing a A million dollar re-development program.A tartalmak könnyebb személyessé tétele, a hirdetések személyre szabása és mérése, valamint a biztonságosabb használat érdekében cookie-kat használunk.Az oldalra való kattintással vagy tartalmának megtekintésével elfogadod, hogy cookie-k használatával gyűjtsünk adatokat a Facebookon és azon kívül.További tudnivalókat, például a beállítási lehetőségek ismertetését itt találod: A cookie-k használatáról szóló szabályzat.This force is used in the formal definition of the ampere.The SI unit of charge, the coulomb, "is the quantity of electricity carried in 1 second by a current of 1 ampere"..

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In the future, the SI definition may shift back to charge as the base unit, with the coulomb defined in terms of the elementary charge on electrons and protons (one coulomb equals the charge of roughly The ampere is that constant current which, if maintained in two straight parallel conductors of infinite length, of negligible circular cross-section, and placed one metre apart in vacuum, would produce between these conductors a force equal to states that there is an attractive or repulsive force between two parallel wires carrying an electric current.

It is named after André-Marie Ampère (1775–1836), French mathematician and physicist, considered the father of electrodynamics.

SI defines the ampere in terms of other base units by measuring the electromagnetic force between electrical conductors carrying electric current.

The earlier CGS measurement system had two different definitions of current, one essentially the same as the SI's and the other using electric charge as the base unit, 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.

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