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Question
Describe the construction and working of an electroscope.
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Solution
An electroscope is a device used in the detection and measurement of electric charges. It has two thin metal leaves. A metal rod connects the leaves to a metallic knob.
Working: When a charged body is made to touch the metal knob, the charge gets transferred to the metal leaves through the metal rod. The metal leaves repel each other showing that they carry similar charges. In this manner, an electroscope can detect if an object carries a charge.
An electroscope is shown in the image:
An electroscope is a device used in the detection and measurement of electric charges. It has two thin metal leaves. A metal rod connects the leaves to a metallic knob.
Working: When a charged body is made to touch the metal knob, the charge gets transferred to the metal leaves through the metal rod. The metal leaves repel each other showing that they carry similar charges. In this manner, an electroscope can detect if an object carries a charge.
An electroscope is shown in the image:
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