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Commit 062e3a45 authored by Claude Meny's avatar Claude Meny
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Update cheatsheet.fr.md

parent c41e45b7
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    12.temporary_ins/20.magnetostatics-vacuum/40.ampere-theorem-applications/30.cylindrical-current-distributions/10.rectilinear-current/20.ampere-local/20.overview/cheatsheet.fr.md
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    ...@@ -297,14 +297,12 @@ $`\require{\cancel}\begin{align} ...@@ -297,14 +297,12 @@ $`\require{\cancel}\begin{align}
    \\ \\
    &\quad\; + &\quad\; +
    \,\dfrac{1}{\rho}\,\left(\dfrac{\partial (\,\rho\,B_{\varphi})}{\partial \rho}\;-\;\xcancel{\dfrac{\partial B_{\rho}}{\partial \varphi}}\right) \,\dfrac{1}{\rho}\,\left(\dfrac{\partial (\,\rho\,B_{\varphi})}{\partial \rho}\;-\;\xcancel{\dfrac{\partial B_{\rho}}{\partial \varphi}}\right)
    \,\overrightarrow{e_z} \,\overrightarrow{e_z}\\
    \end{align}`$** \\
    &\boldsymbol{\mathbf{\color{brown}{\;=\dfrac{\partial (\,\rho\,B_{\varphi})}{\partial \rho}\,\overrightarrow{e_z}}}}
    \end{align}`$
    $`=\dfrac{1}{\rho}\cdot\dfrac{\partial\left(\rho\,E_{\rho}\right)}{\partial\,\rho}
    +\xcancel{\dfrac{1}{\rho}\cdot\dfrac{\partial\,E_{\varphi}}{\partial\,\varphi}}
    +\xcancel{\dfrac{\partial\,E_z}{\partial\,z}}`$
    **$`\mathbf{\quad\quad=\dfrac{1}{\rho}\cdot\dfrac{\partial\left(\rho\,E_{\rho}\right)}{\partial\,\rho}}`$**
    ---------------------------------------------> --------------------------------------------->
    #### Qu'impliquent les invariances de $`\overrightarrow{B}`$ ? #### Qu'impliquent les invariances de $`\overrightarrow{B}`$ ?
    ......
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