write a letter to your uncle or aunt who lived outside India about Onam celebration which took place during this academic year. please mention about your new classmates also
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Explanation:
An electroscope is an early scientific instrument used to detect the presence of electric charge on a body. It detects charge by the movement of a test object due to the Coulomb electrostatic force on it. The amount of charge on an object is proportional to its voltage.
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