Commit eaf66fe7 authored by Claude Meny's avatar Claude Meny

Update cheatsheet.fr.md

parent 24d0098d
Pipeline #17874 canceled with stage
......@@ -158,10 +158,10 @@ $`\quad\quad\Longrightarrow \overrightarrow{dF_{mag}}= \dens_{libre} \cdot d\tau
* On nomme **force de Laplace** cette *force magnétique $`\overrightarrow{dF_B}`$ exercée sur chaque élément $`dC`$* du circuit :
<br>
**$`\overrightarrow{dF}_{Laplace}=}`$**
*$`\;\begin{align}& \dens_{libre} \cdot \underbrace{d\tau}_{\color{blue}{=\\dS\,dl}} \cdot (\overrightarrow{v}_{dér\,/\,dC} \wedge \overrightarrow{B})\\
**$`\mathbf{\overrightarrow{dF}_{Laplace}}`$** *$`\begin{align}\;&= \dens_{libre} \cdot \underbrace{d\tau}_{\color{blue}{\;\;=\\dS\,dl}} \cdot (\overrightarrow{v}_{dér\,/\,dC} \wedge \overrightarrow{B})\\
\\
& \underbrace{(\dens_{libre}\cdot (\overrightarrow{v}_{dér\,/\,dC}}_{\overrightarrow{j}_{cond}}\cdot dS\cdot dl) \wedge \overrightarrow{B}
& =\underbrace{(\dens_{libre}\cdot \overrightarrow{v}_{dér\,/\,dC}}_{\color{blue}{=\,\overrightarrow{j}_{cond}}}
\cdot \underbrace{ dS}_{\color{blue}{\vec{dS}\perp\vec{v}}\cdot dl) \wedge \overrightarrow{B}
\end{align}`$
\\
......
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