Topic Content:
- Definition of Gold Leaf Electroscope
- Uses of the Gold Leaf Electroscope
- To Detect and Measure the Charge on a Body
- To Determine the Nature of Charge on a Body
- To Produce Charges by Contact or by Induction
- To Distinguish between Conductors and Insulators
What is a Gold Leaf Electroscope?
A Gold Leaf Electroscope is an instrument for the detection and testing of small electric charges. It is a metal disc connected to a narrow metal plate and a thin piece of gold leaf is fixed to the plate. The electroscope is insulated; a glass in front prevents air draught but the behaviour of the leaf can be seen.
Uses of the Gold Leaf Electroscope:
1. To Detect and Measure the Charge on a Body:
When a charge is placed on the disc/cap, the charge spreads down to the plate and leaf. Assume a body is placed on the brass disc of an uncharged electroscope. If the body is charged the leaves of the electroscope diverge (spread out).
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Good notes. More grace