Definition:Elementary Charge

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The elementary charge is the value of the electric charge on a proton.

It is defined as exactly $1.60217 \, 6634 \times 10^{−19}$ coulombs.


The symbol used to denote the elementary charge is usually $\E$ or $e$.

The preferred symbol on $\mathsf{Pr} \infty \mathsf{fWiki}$ is $\E$.

Technical Note

The $\LaTeX$ code for \(\E\) is \E .