Recommended · for beginners
How Does a Transistor Work?
Why people recommend it
A short, slightly silly explanation of how transistors work at the semiconductor level, often linked for anyone who has not yet grasped the basics.
Watch for: Worth a second viewing if the detail feels heavy at first
In their words
Edit : Here is the video that I just watched to understand transistors which lead me to the above question
Ahmed on electronics.stackexchange.com, Oct 2015. CC BY-SA.
If you can keep your concepts a bit separated, [video] actually explains transistors better, but they use a different type of transistor.
Cort Ammon on electronics.stackexchange.com, Dec 2015. CC BY-SA.