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Update 12.temporary_ins/20.magnetostatics-vacuum/40.ampere-theorem-applications/25.torus-solenoid/10.ampere-integral/20.overview/cheatsheet.fr.md

12.temporary_ins/20.magnetostatics-vacuum/40.ampere-theorem-applications/25.torus-solenoid/10.ampere-integral/20.overview/cheatsheet.fr.md

 ---
 title: ampere-theorem-torus-solenoid
 published: true
-routable: false
+routable: true
 visible: false
 lessons:
     -