Formula 9.29
Resistivity
Input(s)
$\mathrm{r}$: Resistance in ohm (ohm)
A: Cross Section area $\left(\mathrm{m}^{2}\right)$
L: Length (m)
Output(s)
R: Resistivity (ohm m)
Formula(s)
$$ \mathrm{R}=\mathrm{r} * \frac{\mathrm{A}}{\mathrm{L}} $$
Reference(s)
Wikipedia.org.