Commit 830105bc authored by Claude Meny's avatar Claude Meny

Update cheatsheet.fr.md

parent bff10ae2
Pipeline #15997 canceled with stage
......@@ -142,6 +142,22 @@ puis d'une onde plane progressive monochromatique (OPPM).
* Pour le **champ électrique** $`\overrightarrow{E}`$ :
<br>
* Le théorème de *Maxwell-Gauss* implique dans le vide ($`\dens=0`$) :
<br>
$`\left.
\begin{align} &\underbrace{div(\overrightarrow{E}=\dfrac{\dens}{\epsilon_0}=0}_{\color{blue}{\text{th. de Gauss}
\text{\\dans le vide}}}\\
\\
&\overrightarrow{E}\;uniforme}\\
dans\;tout\;plan\;\perp\overrightarrow{e_z}\end{align}\right\}`$
<br>
$`\Longrightarrow\left\{
\begin{align}
&\dfrac{\partial E_x}{\partial x}+\dfrac{\partial E_y}{\partial y}
+\dfrac{\partial E_x}{\partial x}=0\\
\\
&\dfrac{\partial E_x}{\partial x}=\dfrac{\partial E_y}{\partial y}=0
\end{align}\right\}`$
$`\Longrightarrow\;\dfrac{\partial E_z}{\partial z}=0`$
<br>
$`\left.
\begin{align} &\underbrace{div(\overrightarrow{E}=\dfrac{\dens}{\epsilon_0}=0}_{\color{blue}{\text{th. de Gauss}
......
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