motorized Van de Graaff generator is a high-voltage electrostatic generator that uses a motor to drive a moving belt, which transfers charge to a large metal sphere, creating a high-voltage electric charge. The motorized aspect allows for continuous operation, providing a steady buildup of charge without the need for manual cranking. This type of generator is often used in physics labs and demonstrations to show principles of electrostatics, high-voltage phenomena, and the behavior of electric fields.
Motorized Van de Graaff generators are particularly useful for experiments involving electric fields, spark demonstrations, or particle acceleration.