UIUC Physics Lecture Demo: Wimshurst Generator

UIUC Physics
Lecture Demonstration
Database

Demo # 56

Wimshurst Generator

ID # 56

Description:

The lecturer turns the handle of the generator to turn the wheel, which transfers electric charge by induction from one side to the other. A spark is observed between the two spheres at the top of the Wimshurst Generator when the voltage gets high enough and the gap is appropriate.

Picture of Wimshurst Generator

Physics Concept:

Electricity and Magnetism
Electrostatics
Electrostatic Machines

The demonstration takes about 3 minutes to perform.

The demonstration has audience participation.