Amperium (unitas)
Amperium,[1] signo A,[2] saepe amp imminutum,[3] est unitas basalis SI fluxus oneris electrici,[4][5][6] ex Andrea Maria Ampère appellata, mathematico et physico Francico, qui pater electromagntismi cum Ioanne Christiano Ørsted physico Danico aestimatur.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/3/3d/Amperemeter_hg.jpg/220px-Amperemeter_hg.jpg)
Definitio mathematica
recensereAmperium anno 1948 sic definitum est, postulando constantem magneticum in lege Biot-Savartiana:
.
Fluxus electricus constans fit si in duobus conductoribus parallelis contineatur, longitudinibus infinitis, quorum diametram neglegere possumus, uno metro subtiliter inter eos, vim in quoque conductore creat magnitudinis 2×10–7 Newtonii per metrum conductoris.
Notae
recensere- ↑
Fons nominis Latini desideratur (addito fonte, hanc formulam remove)
- ↑ "2. SI base units", SI brochure (octava ed.), BIPM.
- ↑ SI supports only the use of symbols and deprecates the use of abbreviations for units."Bureau International des Poids et Mesures". 2006. p. 130.
- ↑ BIPM (20 Maii 2019). Mise en pratique for the definition of the ampere in the SI. . BIPM.
- ↑ "2.1. Unit of electric current (ampere)", SI brochure (8th ed.), BIPM.
- ↑ Base unit definitions: Ampere Formula:Webarchive. Physics.nist.gov. Accessum 28 Septembris 2010.
Bibliographia
recensere- Bodanis, David. 2005, Electric Universe. Novi Eboraci: Three Rivers Press. ISBN 978-0-307-33598-2.
- Herman, Stephen L. 2020. Delmar's standard textbook of electricity. Ed. septima. Australia et Brasilia: Cengage. ISBN 9781337900348, ISBN 1337900346.
- Kowalski, L. 1986. "A short history of the SI units in electricity." The Physics Teacher 24 (2): 97–99. Bibcode:1986PhTea..24...97K. Archivum.
- Monk, Paul M. S. 2004. Physical Chemistry: Understanding our Chemical World. John Wiley & Sons. ISBN 0-471-49180-2.
Nexus externi
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