Source google image: https://sinisterbedfellows.com/wp-content/uploads/2018/09/vmc-double-flux-equation-schema-electrique-vmc-equation-wire-center-vmc-vmc-double-flux-equation.png
Schema electrique de la vmc
Source google image: https://sinisterbedfellows.com/wp-content/uploads/2018/09/vmc-double-flux-equation-schema-electrique-vmc-equation-wire-center-vmc-vmc-double-flux-equation.png