Activity 7.3:
Aim: To carry out a simulation of lightning formation by using the Van de Graaff generator.
Apparatus: Van de Graaff generator
Instruction
1. Switch on the Van de Graaff generator.
2. After a few minutes, move the metal sphere closer to the dome and record your observation.
Questions
1. What is your observation in this activity?
2. What will happen if the metal cap of an electroscope is brought closer to the dome of the Van de Graaff generator?
Answer:
1. Sparks are produced when the sphere is brought closer to the dome.
2. The gold leaf diverges.
Aim: To carry out a simulation of lightning formation by using the Van de Graaff generator.
Apparatus: Van de Graaff generator
Instruction
1. Switch on the Van de Graaff generator.
2. After a few minutes, move the metal sphere closer to the dome and record your observation.
Questions
1. What is your observation in this activity?
2. What will happen if the metal cap of an electroscope is brought closer to the dome of the Van de Graaff generator?
Answer:
1. Sparks are produced when the sphere is brought closer to the dome.
2. The gold leaf diverges.