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 When substances like glass and silk or ebonite and fur are rubbed, positive and negative charges of equal amount are simultaneously produced. |
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Like charges repel, unlike charges attract. |
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Electroscope is the device used for detecting the charge on a body. The divergence of the leaves of the electroscope is a measure of potential of the body. |
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A body can be charged by conduction or induction. |
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A pointed conductor has a high density of charge at the sharp points. |
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| Charging; Conductor; Electroscope; Insulator; Induction; Static electricity. |
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