The Earth's field Animation Play

The efficiency of a transformer Student activity Play

The efficiency of a transformer Whiteboard exercise Play

The efficiency of an electrical pump Animation Play

The efficiency of electrical devices Student activity Play

The efficiency of electrical devices Whiteboard exercise Play

The electric bell Student activity Play

The electrical conductivity of oxides Whiteboard exercise Play

The electromagnet Whiteboard exercise Play

The electromagnet Student activity Play

The electromagnet Animation Play

The energy of a tungsten filament Animation Play

The equilibrium between energy flow and matter circulation in the environment Student activity Play

The flow of charge through a conductor Animation Play

The flow of charge through an insulator Animation Play

The flow of chemical energy through the food chain Animation Play

The flow of electrons through an electrolyser Animation Play

The flow of heat energy Student activity Play

The flow of heat energy Slideshow Play

The flow of heat energy Whiteboard exercise Play

The flow of heat energy Animation Play

The forces that turn the frame Student activity Play

The forces that turn the frame Whiteboard exercise Play

The function of a commutator Animation Play

The function of a diode Animation Play