Le transistor - apprendre à réparer l'électronique les bases #02

How does a transistor work? How do you test a transistor? What is the purpose of a transistor? A simplified video to learn how to repair electronics Written and directed by Simon Liégeois. If you wish, you can make a donation here to support the channel and the fight against planned obsolescence: https://utip.io/simonliegeois Thank you all!