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M3P2
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46f3b44c
Commit
46f3b44c
authored
Sep 30, 2022
by
Claude Meny
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Update cheatsheet.fr.md
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cheatsheet.fr.md
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12.temporary_ins/90.electromagnetism-in-vacuum/10.maxwell-equations/20.overview/cheatsheet.fr.md
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46f3b44c
...
@@ -531,13 +531,13 @@ $`\displaystyle d\mathcal{P}_{cédée} = \sum_{i=1}^p\overrightarrow{j_i}\cdot\
...
@@ -531,13 +531,13 @@ $`\displaystyle d\mathcal{P}_{cédée} = \sum_{i=1}^p\overrightarrow{j_i}\cdot\
*
En posant plus simplement
*$`\overrightarrow{j}_{total}=\overrightarrow{j}`$*
:
*
En posant plus simplement
*$`\overrightarrow{j}_{total}=\overrightarrow{j}`$*
:
<br>
<br>
**$`\
mathbf{d\mathcal{P}_{cédée} = \big(\overrightarrow{j}\cdot\overrightarrow{E}\big)\,d\tau
}`$**
**$`\
large{\mathbf{d\mathcal{P}_{cédée} = \big(\overrightarrow{j}\cdot\overrightarrow{E}\big)\,d\tau}
}`$**
*
La
*
*puissance cédée**
par le champ électromagnétique
**dans un volume $`\tau`$**
:
*
La
*
puissance cédée*
par le champ électromagnétique
*dans un volume $`\tau`$*
s'appelle
**$`\large{\text{Effet Joule}}`$**
<br>
<br>
**$`\displaystyle\mathbf{\mathcal{P}_{cédée} = \iiint_{\Ltau}\big(\overrightarrow{j}\cdot\overrightarrow{E}\big)\,d\tau}`$**
**$`\large{\displaystyle\mathbf{\mathcal{P}_{cédée} = \iiint_{\Ltau}\big(\overrightarrow{j}\cdot\overrightarrow{E}\big)\,d\tau}}`$**
*
C'est l'
**$`\large{\text{Effet Joule}}`$**
#### Le champ électromagnétique contient-t-il de l'énergie ?
#### Le champ électromagnétique contient-t-il de l'énergie ?
...
...
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