farad

American  

[far-uhd, -ad] / ˈfær əd, -æd /

noun

Electricity.

1. the standard unit of capacitance in the International System of Units (SI), formally defined to be the capacitance of a capacitor between the plates of which there appears a potential difference of one volt when it is charged by a quantity of electricity equal to one coulomb. F

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farad British  

/ ˈfærəd, -æd /

noun

1.  F.  physics the derived SI unit of electric capacitance; the capacitance of a capacitor between the plates of which a potential of 1 volt is created by a charge of 1 coulomb

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farad Scientific  

/ făr′əd /

1. The SI derived unit used to measure electric capacitance. A capacitor in which a stored charge of one coulomb provides an electric potential difference of one volt across its plates has a capacitance of one farad.

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Etymology

Origin of farad

First recorded in 1860–65; named after M. Faraday

Example Sentences

The pipes are called ghaitas and there are two drums: the zowak and farad.

From BBC • Jul. 7, 2023

The small numerical value of ε0 is related to the large size of the farad.

From Textbooks • Aug. 12, 2015

A parallel plate capacitor must have a large area to have a capacitance approaching a farad.

From Textbooks • Aug. 12, 2015

If it be a charged body insulated in space its capacity should be extremely small, less than one-thousandth of a farad.

From The inventions, researches and writings of Nikola Tesla With special reference to his work in polyphase currents and high potential lighting by Martin, Thomas Commerford

Farad is the capacity defined by the condition that a coulomb in a condenser, whose capacity is a farad, establishes a difference of potential of a volt between the armatures.

From Scientific American Supplement, No. 312, December 24, 1881 by Various