en

elementary electric charge

1

Terminological databases

Metroloogia terminibaas

ID 573294 Last modified 10.09.2026
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Domain Standardisation - Metrologyunits of measurement
elementaarlaeng preferred
elementaarelektrilaeng
e
elementary charge preferred
electronic charge
elementary electric charge
e
  • elementaarlaeng e vastab peene struktuuri konstandi α kasutamisel elektromagnetilise jõu sidestustugevusele
  • SI süsteemi defineeritud konstant
  • defining constant of the SI
  • elementary charge e corresponds to a coupling strength of the electromagnetic force via the fine-structure constant α
  • magnitude of the negative electric charge carried by a single electron, which has charge −1 e
elementaarlaeng preferred
Usage examples
  • SI-ühikute süsteemis on elementaarlaengu väärtus täpselt määratletud kui e = 1,602 176 634×10−19 kulonit või 160,217 663 4 zeptokulonit (zC) ja alates SI põhiühikute ümbermääratlemisest 2019. aastal on seitse SI põhiühikut määratletud seitsme fundamentaalse füüsikalise konstandiga, millest elementaarlaeng on üks nendest.
elementaarelektrilaeng
e symbol
Usage examples
  • e = 1,602 176 487×10-19 C.
elementary charge preferred
Usage examples
  • In the SI system of units, the value of the elementary charge is exactly defined as e = 1,602 176 634×10−19 coulombs, or 160,217 663 4 zeptocoulombs (zC), and since the 2019 redefinition of SI base units, the seven SI base units are defined by seven fundamental physical constants, of which the elementary charge is one.
electronic charge
elementary electric charge
e symbol
Usage examples
  • e = 1,602 176 634×10−19 C.

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