School of Physics Lecture Demonstration Manual

El-8 Van de Graaff Generator (Lighting a Fluorescent Tube)

Published: Tuesday 14 March 2006 - Updated: Thursday 31 March 2011

Aim

To demonstrate the large electric field gradient of a Van de Graaff generator.

Apparatus

Diagrams

Click on pictures to enlarge.

VDG Pic 1

VDG Pic 2

VDG Diagram

Description

A hand held fluorescent tube is held in close proximity to the dome of the Van de Graaff generator. The high voltage gradient lights the tube.

Safety notes

Electrical safety 

Maintenance 

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