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Expalin with the help of an diagram an instrument which can be used to deteced a charged body

Posted by Mrs.Asifa Tahir 5 years, 10 months ago

CBSE > Class 08 > Science

1 answers

Meghna Thapar 5 years, 10 months ago

The electroscope is a device for detecting electric charge on an object.

An electroscope has a brass rod passing through a tight fitting cork in a glass bottle. A pair of thin aluminum leaves is attached to the lower end of the brass rod. To protect the aluminum leaves from external electric charge the lower half of the bottle is lined with tin foil which is ‘earthed’ by connecting it to the table.

When a charged rod is touched to the metal disc, the charge is transferred to the aluminum leaves and they diverge.

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CBSE > Class 08 > Science