Commit d987e2f8 authored by Claude Meny's avatar Claude Meny

Update...

Update 12.temporary_ins/90.electromagnetism-in-vacuum/20.electromagnetic-waves-vacuum/20.overview/cheatsheet.fr.md
parent e805115c
Pipeline #12914 canceled with stage
......@@ -61,7 +61,7 @@ $`\Delta \overrightarrow{B}-\mu_0\epsilon_0\;\dfrac{\partial^2 \overrightarrow{B
* un vecteur densité volumique de courant nul : *$`\mathbf{\overrightarrow{j}(\overrightarrow{r},t)=\overrightarrow{0}}`$*
* Les constantes $`\mu_0\,,\, \epsilon_0\text{ et } c`$ vérifient **$`\large{\mu_0\,\epsilon_0\,c^2=1}`$**
* Les constantes $`\mu_0\,,\, \epsilon_0\text{ et } c`$ vérifient **$`\mathbf{\mu_0\,\epsilon_0\,c^2=1}`$**
* Les **équations de propagation dans le vide** de $`\big(\overrightarrow{E}\,,\overrightarrow{B}\big)`$ deviennent :
**$`\mathbf{\large{\Delta \overrightarrow{E}-\dfrac{1}{c^2}\;\dfrac{\partial^2 \overrightarrow{E}}
......
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