Voltan Perbezaan keupayaan elektrik
diferență de potențial electric
differenza di potenziale elettrico
electric potential difference
tensão elétrica (diferença de potencial)
"Electric Potential Difference" is a scalar valued quantity associated with an electric field.
Applicable units are those of quantitykind:ElectricPotentialDifference
http://www.iso.org/iso/home/store/catalogue_tc/catalogue_detail.htm?csnumber=31891
"Electric Potential Difference" is a scalar valued quantity associated with an electric field.
$V_{ab} = \int_{r_a(C)}^{r_b} (E +\frac{\partial A}{\partial t}) $, where $E$ is electric field strength, $A$ is magentic vector potential, $t$ is time, and $r$ is position vector along a curve C from a point $a$ to $b$.