Definition:Coulomb (Unit)
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Definition
The coulomb is the SI unit of electric charge.
It is defined as being:
- The amount of electric charge carried in one second by a constant current of one ampere.
Symbol
- $\mathrm C$
The symbol for the coulomb is $\mathrm C$.
Its $\LaTeX$ code is \mathrm C
.
Base Units
The SI base units of the coulomb are:
- $\mathrm C := \mathrm A \, \mathrm s$
where:
- $\mathrm A$ denotes amperes
- $\mathrm s$ denotes seconds (of time).
Source of Name
This entry was named for Charles-Augustin de Coulomb.
Sources
- 1969: J.C. Anderson, D.M. Hum, B.G. Neal and J.H. Whitelaw: Data and Formulae for Engineering Students (2nd ed.) ... (previous) ... (next): $1.$ Units and Abbreviations: $1.2$ SI units $(2)$ Derived units
- 1976: Ralph J. Smith: Circuits, Devices and Systems (3rd ed.) ... (previous) ... (next): Chapter $1$: Electrical Quantities: Definitions and Laws: Definitions: Table $1$-$2$: Important Derived Quantities
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): coulomb
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): coulomb