[ELI5] How do transistors work? What makes 3 chucks of silicon put together able to turn on and off?

Question

[ELI5] How do transistors work? What makes 3 chucks of silicon put together able to turn on and off?

In: 18

Answer 1

ELI5: When a voltage is applied to the middle silicon section, it pulls the ions to the side the middle lead is on creating a “channel” for electrons to flow from the two side bits of the transistor.