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coulomb

coulomb

8.0
A unit of electric charge equal to the amount moved by a current of one ampere in one second
  • noun
  • /ˈkuːlɒm/
  • Specialized
translation icon : coulomb
  • In physics, one coulomb is equal to the charge created by one ampere flowing for one second.

Examples

  • mA: The amp (A) is defined as the coulomb per second.

    Academic text (2007)
  • He found a mass/charge ratio of 1.3 +/- 0.2 x 10^-8 grams per coulomb. (The modern value is 0.56857 x 10^-8 gm/C;

    Academic text (1997)
  • And Lambda is the number of coulombs per meter.

  • Roughly 96,500 coulombs (amperes/second) will deposit one gram equivalent weight of metal.

    Blog text (17)
  • A coulomb is defined as the amount of electric charge transferred by a current of one ampere in one second, which is essential to understanding electricity.

  • An electric vehicle battery can store thousands of coulombs, which powers the vehicle for many miles.

Synonyms

C
vscoulomb
  • Specialized
2 4.6

A unit for electric charge, called the coulomb

is the same unit but usually written as a full name in text
ampere-second
vscoulomb
  • Specialized
5.5

A unit of electric charge equal to one coulomb

is the SI unit with a conventional name different from that phrase
charge unit
vscoulomb
  • Specialized
5.6

A standard amount used to measure electric charge, like the coulomb

is the specific SI measure defined by one ampere flowing one second

Surface Forms

coulomb singular
coulombs plural

Etymology

Coulomb is named after the French scientist Coulomb, who studied how electric charges pull and push each other. So a coulomb is the unit that measures 'electric charge', like how a newton measures force.