Discharge the Van de Graaff with sparks up to 10 cm.
The base of the rod has a 4 mm hole for connection to the earth socket on the Van de Graaff.
The polished stainless steel sphere is mounted on a stainless steel rod.
Rod length 41 cm.
Sphere diameter: 10 cm. 

Physics School Lab Equipment Suppliers in India

Ltekonline are the manufacturers of Discharge Sphere Electrostatic Lab used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Physics Lab Experiments for Engineering Teaching Lab in Universities