Update cheatsheet.fr.md

12.temporary_ins/20.magnetostatics-vacuum/40.ampere-theorem-applications/30.cylindrical-current-distributions/20.solenoidal-current/10.ampere-integral/20.overview/cheatsheet.fr.md

@@ -177,7 +177,7 @@ P_1\,(M, \overrightarrow{e_{\rho}}, \overrightarrow{e_{\varphi}})\; \text{plan d
    * permettre un *calcul simple de $`\displaystyle\oint_{\Gamma_A} \overrightarrow{B}\cdot \overrightarrow{dl}`$*.
 
 <br> 
-![](magnetostatics-solenoid-ampere-contour_L1200.gif)   
+![](magnetostatics-solenoid-ampere-contour_v2_L1200.gif)   
 <br>
 
 * *Choix de $`\mathbf{\Gamma_A}`$* : un **rectangle ABCD**