Recommended · for beginners
How Fast is an Electron and Electricity
Why people recommend it
Explains why electrons themselves drift slowly through a wire while electrical energy arrives almost instantly, often linked to clear up a common misconception.
Watch for: Conceptual explanation rather than a practical build
In their words
It seems electrons don't actually travel that fast, what moves fast is the chain effect
MeTitus on electronics.stackexchange.com, Apr 2020. CC BY-SA.