ELISA – an immuno-enzymatic technique Student activity Play

Examples of DC supplies Slideshow Play

Graphs of direct proportionality Animation Play

Graphs of direct proportions Student activity Play

Introduction to direct proportion Student activity Play

Inverse proportion Whiteboard presentation Play

Inverse proportion Class activity Play

Measures of angles Student activity Play

More complex problems involving direct proportionality Whiteboard exercise Play

More complex problems involving direct proportionality Student activity Play

Power supply unit Simulation Play

Power supply unit Student activity Play

Power supply units and rectifiers Class activity Play

Power supply units and rectifiers Whiteboard presentation Play

Root-mean-square current and voltage Student activity Play

Root-mean-square current and voltage Simulation Play

Solving problems involving direct proportion Student activity Play

The graph of direct proportionality Whiteboard exercise Play

The graph of direct proportionality Student activity Play

The operation of a rectifier Animation Play

The structure of a PSU Simulation Play

The tail of a comet Animation Play

Using a compass Animation Play

Virtual PSU Student activity Play