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More model informationA gold-leaf type electroscope is a device used to detect the presence of electric charge on a body and its relative amount. The electroscope is usually constructed with a metal plate or sphere at the top of a metal post (electrode) with thin foil leaves (e.g., gold) hanging from the bottom of the post. When the electrode is charged by induction or by contact, the leaves acquire similar electric charges and repel each other due to the Coulomb force
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