PASCO Pasco SE-8691-220 High Voltage Van der Graaff Generator

Purpose: "The Van de Graaff High Voltage Generator is a classic device for studying electrostatics. The large size of the Van de Graaff generator allows for 3 advantages: It is highly visible, even in lecture halls High voltages can be achieved - up to 400,000 volts High voltage and large size together produce large and highly visible sparks Key Features: - Large sphere - 25 cm - for easy visibility - Sparks up to 35 cm long - Tall column holds the sphere well above the base, allowing high voltage to be generated, and thick walls allow for many years of use - Variable motor speed to adjust charge accumulation - One extra belt included - Specifications - Sphere diameter - 25 cm - Overall height - 74 cm