Forward bias and reverse bias Student activity Play

LDR (light-dependent resistor) Animation Play

LDR (light-dependent resistor) Whiteboard exercise Play

LDR (light-dependent resistor) Student activity Play

LED diode (light-emitting diode) Student activity Play

LED diode (light-emitting diode) Animation Play

LED diode (light-emitting diode) Whiteboard exercise Play

Light emission in semiconductors Student activity Play

Light emission in semiconductors Animation Play

Light emission in semiconductors Whiteboard exercise Play

Light-dependent resistor LDR Whiteboard exercise Play

Light-dependent resistor LDR Student activity Play

Open and closed transistors Student activity Play

Open and closed transistors Whiteboard exercise Play

Open and closed transistors Simulation Play

Other properties Student activity Play

Oxygen in water Animation Play

p-n junctions Animation Play

p-n junctions Whiteboard exercise Play

p-n junctions Student activity Play

Photocell Slideshow Play

Photocell Whiteboard exercise Play

Photocell Animation Play

Photons and electrons Whiteboard exercise Play

Photons and electrons Student activity Play