Potentials of a collector, an emitter and a base Student activity Play

Potentials of a collector, an emitter and a base Whiteboard exercise Play

Power supply unit Simulation Play

Power supply unit Whiteboard exercise Play

Power supply unit Student activity Play

Power supply units and rectifiers Whiteboard presentation Play

Power supply units and rectifiers Class activity Play

Rectifier Whiteboard exercise Play

Rectifier Student activity Play

Reflection of light at a smooth surface Animation Play

Reflectors Student activity Play

Semiconductor diode Student activity Play

Semiconductor diode Animation Play

Semiconductor diode Whiteboard exercise Play

Semiconductor laser Slideshow Play

Semiconductor laser Whiteboard exercise Play

Semiconductor laser Student activity Play

Spontaneous and stimulated emission Student activity Play

The application of lasers Student activity Play

The application of lasers Whiteboard exercise Play

The colour of the laser beam Whiteboard exercise Play

The function of a diode Animation Play

The Law of Reflection Student activity Play

The length of a laser Illustration Play

The operation of a rectifier Animation Play