| 1. | A neutral pith ball electroscope has:
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| 2. | When an ebonite rod is rubbed with fur:
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| 3. | When a negative ebonite rod is brought close to a neutral pith ball:
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| 4. | When a positive glass rod is brought close to a neutral pith ball:
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| 5. | When a negative ebonite rod is touched to a neutral pith ball:
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| 6. | When a positive glass rod is touched to a neutral pith ball, removed, and then brought close again:
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| 7. | When a negative ebonite rod is brought close to a neutral metal leaf electroscope:
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| 8. | When a positive glass rod is brought close to a neutral metal leaf electroscope:
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| 9. | The type of charging that occurs when a charged rod is brought close to a neutral metal leaf electroscope without touching it is called:
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| 10. | The shaft of a metal leaf electroscope is connected to a conductor by a wire and a negative ebonite rod is brought close. When the ebonite rod is removed the metal leaves are:
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