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Electroscope

Electroscope ...

Question

Electroscope is an instrument which is used to detect the charge on a body. What is "A” in the following diagram shown below?

A

Silk thread

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B

Plastic rod

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C

Copper wire

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D

All the above

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Solution

The correct option is C
Copper wire

In an electroscope, the connecting rod and the leaves are all made up of metals because metals are good conductor of electricity.

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