Electricity and Magnetism
Electrostatics
Electric Charges - Demo 1
Used to demonstrate the presence of electric charges
| APPARATUS: |
LOCATION:
|
| Electroscope |
P1
|
| Electrometer |
P2
|
| Rod |
P7
|
| Different types of cloth (fur and silk) |
P7
|
| Van de Graff |
Rub the rod with the fur or silk. Touch the charged rod to uncharged conductive sphere
connected to electrometer to measure the charges. You can also use the electroscope.
The gold leaves will spread apart indicating the presence of charges.