Source: cirosantilli/elementary-charge
= Elementary charge
{title2=$1.60217663 × 10^{-19} C$}
{wiki}
= Electron charge
{synonym}
Experiments to measure it:
* <oil drop experiment>
The <2019 redefinition of the SI base units> defines it precisely and uses it as a measure of charge: https://en.wikipedia.org/wiki/2019_redefinition_of_the_SI_base_units#Ampere