Khan Academy

Generation and recombination in semiconductors (K-A)

Half wave rectifiers (K-A)

Light and the luminiferous ether (K-A)

Input characteristics of NPN transistor (K-A)

Michelson–Morley Experiment introduction (K-A)

Intrinsic semiconductors (K-A)

Intro to semiconductors (K-A)

Potential ways to detect an ether wind (K-A)

Minority charge carriers in extrinsic semiconductors (K-A)

Output characteristics of NPN transistor (K-A)

Parts of a transistor (K-A)

PN breakdown and avalanche (K-A)

Angle of x' axis in Minkowski spacetime (K-A)

PN diode characteristics (K-A)

Galilean transformation and contradictions with light (K-A)

Reverse biasing a PN junction (K-A)

Introduction to special relativity and Minkowski spacetime diagrams (K-A)

The PN junction (K-A)

Measuring time in meters in Minkowski spacetime (K-A)

Transistor as a switch (K-A)

Algebraically manipulating Lorentz transformation (K-A)

Transistor as a voltage amplifier (K-A)

Starting to set up a Newtonian path–time diagram (K-A)

Deriving Lorentz transformation part 2 (K-A)

Transistor current and parameters (K-A)