Symbol Enhet ----------------------------------------- Strøm | I Ampere A Spenning| U Volt. V Motstand| R Ohm. (OMEGA Tegn) U ----- R I U=R*I I=U/R R=U/I AC = Vekselstrøm DC = Likestrøm U = 4V I = 0.3A R = 4/0.3 = Koplingsskjema (X) = Lyspære ------- = Ledning ---| I--- = Batteri - +
Copyright © Eskild Hustvedt 2005, 2006, 2007, 2008, 2009, 2010
Copying allowed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs 2.5 License.