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test-regular-2
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92d753d3
Commit
92d753d3
authored
Jan 20, 2021
by
Claude Meny
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Update cheatsheet.fr.md
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12.temporary_ins/30.electrostatics-dielectric/overview/cheatsheet.fr.md
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92d753d3
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@@ -342,7 +342,7 @@ _Figure 30._
Il est définit par :
*
**Vecteur induction $`\overrightarrow{D}`$ : $`\
overrightarrow{D}=\epsilon_0\,\overrightarrow{E}+\overrightarrow{P
}`$**
*
**Vecteur induction $`\overrightarrow{D}`$ : $`\
mathbf{\overrightarrow{D}=\epsilon_0\,\overrightarrow{E}+\overrightarrow{P}
}`$**
##### Cas d'un diélectrique anisotrope
...
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@@ -369,15 +369,15 @@ Donc :
$
`\overrightarrow{D}=\epsilon_0\,\overrightarrow{E}+\overrightarrow{P}`
$
$
`\overrightarrow{D}=\epsilon_0\,\overrightarrow{E}+\epsilon_0\,\chi\,\overrightarrow{E}`
$
**
$
`\overrightarrow{D}=\epsilon_0\,\overrightarrow{E}+\epsilon_0\,\chi\,\overrightarrow{E}`
$
$
`\overrightarrow{D}=\epsilon_0\,(1+\chi)\,\overrightarrow{E}`
$
*
$
`\overrightarrow{D}=\epsilon_0\,(1+\chi)\,\overrightarrow{E}`
$
$
`\overrightarrow{D}=\epsilon_0\,\epsilon_r\,\overrightarrow{E}`
$
*
$
`\overrightarrow{D}=\epsilon_0\,\epsilon_r\,\overrightarrow{E}`
$
ce qui donne
**$`\
epsilon_r=1+\chi
`$**
**$`\
mathbf{\epsilon_r=1+\chi}
`$**
#### Que deviens le théorème de Gauss dans un diélectrique ?
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@@ -400,10 +400,7 @@ $`\epsilon_0\;div\;\overrightarrow{E}=\rho_{lib}-div\;\overrightarrow{P}`$
$
`\epsilon_0\;div\;\overrightarrow{E}+div\;\overrightarrow{P}=\rho_{lib}`
$
$
`div\left(\epsilon_0\overrightarrow{E}+\overrightarrow{P}\right)=\rho_{lib}`
$
Este es un intento de modificación 2/3 para ti, Claudia, para que sepas
cómo detectar esta solicitud de modificación, visualizarla y aceptarla o rechazarla.
**$`div\left(\epsilon_0\overrightarrow{E}+\overrightarrow{P}\right)=\rho_{lib}`$**
##### Le théorème de Gauss en fonction de $`\overrightarrow{D}`$ :
...
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