Question

Define Gold leaf electroscope experiment

Answer 1

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The gold leaf electroscope

Intro⤵

This is an instrument for detecting and measuring static electricity or voltage. A metal disc is connected to a narrow metal plate and a thin piece of gold leaf is fixed to the plate. The whole of this part of the electroscope is insulated from the body of the instrument.

Summery⤵

The gold leaf electroscope has been used by physicists for hundreds of years. It indicates the presence and nature of a charge through the application of charge to a metal top plate connected through a stem to two pieces of gold leaf. The movement of one piece of gold leaf away from the other shows that the electroscope is charged.

Hence,⤵

It detect the presence of charge and test the kind of charge.

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Answer 2

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Gold Leaf Electroscope:-

It is a device used for detecting an electric charge and identifying its polarity.

It consists of a vertical conducting rod passing through a rubber stopper fitted in the mouth of a glass vessel. Two thin gold leaves are attached to lower end of the rod.

Experiment:-

When a charged object touches the metal knob at the outer end of the rod, the charge flows down to the leaves. The leaves diverge due to the repulsion of the like charges they have received.

Conclusion:-

The degree of divergence of the leaves gives a measure of the amount of charge.

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