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Elementary charge

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: en.wikipedia.org/wiki/2019_redefinition_of_the_SI_base_units#Ampere

 Table of contents 180
- Why do the electron and the proton have the same charge except for the opposite signs? link nosplit Elementary charge 92
- Oil drop experiment link nosplit Elementary charge 72

Ancestors

Incoming links

Ampere in the 2019 redefinition of the SI base units