Commit 39428dab authored by Claude Meny's avatar Claude Meny

Update cheatsheet.fr.md

parent 18de7313
Pipeline #15989 canceled with stage
......@@ -144,6 +144,36 @@ puis d'une onde plane progressive monochromatique (OPPM).
&\Longrightarrow\;\dfrac{\partial E}{\partial z}=0\end{align}`$
<br>
$`\left.
\begin{align}\underbrace{div(\overrightarrow{E}=\dfrac{\dens}{\epsilon_0}=0}_{\color{blue}{\text{th. de Gauss}
\text{\\dans le vide}}}\\
\\
\overrightarrow{E}\text{ uniforme}\\
\text{dans tout plan }\perp\overrightarrow{e_z}\end{align}\right}`$
$`\Longrightarrow\left{
\begin{align}
\dfrac{\partial E_x}{\partial x}+\dfrac{\partial E_y}{\partial y}
+\dfrac{\partial E_x}{\partial x}=0\\
\\
\dfrac{\partial E_x}{\partial x}=\dfrac{\partial E_y}{\partial y}=0
\end{align}\right}`$
$`\Longrightarrow\;\dfrac{\partial E_z}{\partial z}=0`$
$`\left.
\begin{align}\underbrace{div(\overrightarrow{E}=\dfrac{\dens}{\epsilon_0}=0}_{\color{blue}{\text{th. de Gauss}
\text{\\dans le vide}}}\\
\\
\overrightarrow{E}\text{ uniforme}\\
\text{dans tout plan }\perp\overrightarrow{e_z}\end{align}\right}`$
$`\Longrightarrow\left{
\begin{align}
\dfrac{\partial E_x}{\partial x}+\dfrac{\partial E_y}{\partial y}
+\dfrac{\partial E_x}{\partial x}=0\\
\\
\dfrac{\partial E_x}{\partial x}=\dfrac{\partial E_y}{\partial y}=0
\end{align}\right}`$
$`\Longrightarrow\;\dfrac{\partial E_z}{\partial z}=0`$
schéma de démonstration à faire, puis modifier :
* Les vecteurs **champ électrique $`\overrightarrow{E}`$ et champ magnétique $`\overrightarrow{B}`$** sont *perpendiculaires
......
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