Differences

This shows you the differences between two versions of the page.

--- motors [2023/04/02 02:34] – [International Power Grids] jhagstrand
+++ motors [2023/04/02 12:13] (current) – [Resistance, Resistivity, Electromagnet] jhagstrand
@@ Line 481: / Line 481: @@
 ==== Resistance, Resistivity, Electromagnet ====
-\begin(align)
+\begin{align}
+R &= ρ × \frac{L}{A} \\
+\text{where:}\\
+R &= \text{resistance in Ω} \\
+ρ &= \text{resistivity of material in Ωm }\\
+L &= \text{length of the wire in m} \\
+A &= \text{cross-sectional area of the wire in m}^{2} \\
-R = ρ × \frac{L}{A}
+\end{align}
-\end(align)
+source
+https://www.omnicalculator.com/physics/wire-resistance#conductance-formula-and-resistance-formula