The Van-de-Graaff-generator can produce high voltages of up to 500,000 volts. With this high voltage, wonderful experiments can be demonstrated.
The classic is holding your hands on the metal sphere as it charges, the results really can be hair-raising!
How does it work?
The electric charge is transferred to the body. As like charges repel each other, the hair on the body is repelled and spreads apart to get as far away as possible from itself.