Describe with the help of a diagram and instrument which can be used to detect a charged body?
Question: Describe with the help of a diagram and instrument which can be used to detect a charged body?
One way to find out if a body is charged or not is to use an electroscope. An electroscope is a device that has a metal rod with two thin metal leaves attached at the bottom. The rod is connected to a metal knob at the top, which can touch the body to be tested.
When a charged body touches the knob, some of its charge is transferred to the rod and the leaves. Since the leaves have the same type of charge, they repel each other and spread apart. The more charge the body has, the more the leaves diverge. If the body is not charged, the leaves remain hanging vertically.
The diagram below shows how an electroscope works:
+-----+
| |
| o |<---- charged body
| |
+-----+
|
|
|<---- metal rod
|
|
+---+---+
| |
| | |<---- metal leaves
| | |
| |
+-------+
````
Some possible suggestions for rewriting are:
- Add labels to the diagram
- Use bullet points for steps
- Explain why charge is transferred
Diagram of an electroscope:
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