The potential of a system of electric charges Student activity Play

The potential of an electric field due to a point charge Animation Play

The power of a device and the design of mains household electricity Animation Play

The power of a device and the design of mains household electricity Student activity Play

The power of a device and the design of mains household electricity Whiteboard exercise Play

The power of an electric current Whiteboard exercise Play

The power of an electric current Student activity Play

The principle of conservation of charge Whiteboard exercise Play

The principle of conservation of charge Student activity Play

The principle of conservation of charge Simulation Play

The properties of a series circuit Animation Play

The reasons for the flow of induced current Animation Play

The relationship between resistance and temperature Student activity Play

The resistance of a light bulb filament Student activity Play

The rotation of a frame Animation Play

The rotation of the frame Whiteboard exercise Play

The rotation of the frame Student activity Play

The shape of the field lines Animation Play

The significance of proportionality constants Animation Play

The strength of electric field around a charged sphere Animation Play

The strength of electric field between two parallel plates Animation Play

The structure of a light bulb Illustration Play

The structure of an electroscope Animation Play

The sum of current in a node Animation Play

The summing of resistances Whiteboard exercise Play