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In: Physics

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%250A%2522EN-US%2522%253E%2526nbsp%253B%2526nbsp%253B%2526nbsp%253B%2526nbsp%253B%2520B.%2520Bring%2520a%2520negatively%2520charged%2520rod%250Anear%2520the%2520pith%2520ball.%253C%252Fspan%253E%253C%252Fp%253E%250A%253Cp%2520class%253D%2522MsoNormal%2522%253E%253Cspan%2520lang%253D%2522EN-US%2522%2520class%253D%2522c2%2522%2520xml%253Alang%253D%250A%2522EN-US%2522%253E%2526nbsp%253B%2526nbsp%253B%2526nbsp%253B%2526nbsp%253B%2520C.%2520Touch%2520the%2520pith%2520ball%2520with%2520the%250Arod%253C%252Fspan%253E%253C%252Fp%253E%250A%253Cp%2520class%253D%2522MsoNormal%2522%253E%253Cspan%2520lang%253D%2522EN-US%2522%2520class%253D%2522c2%2522%2520xml%253Alang%253D%250A%2522EN-US%2522%253E%2526nbsp%253B%253C%252Fspan%253E%253C%252Fp%253E%250A%253Cp%2520class%253D%2522MsoNormal%2522%253E%253Cspan%2520lang%253D%2522EN-US%2522%2520class%253D%2522c2%2522%2520xml%253Alang%253D%250A%2522EN-US%2522%253EQ4.%2526nbsp%253B%2520A.%2520Charges%2520the%2520pith%2520ball%2520as%2520in%25203%252C%2520by%250Acontact.%253C%252Fspan%253E%253C%252Fp%253E%250A%253Cp%2520class%253D%2522MsoNormal%2522%253E%253Cspan%2520lang%253D%2522EN-US%2522%2520class%253D%2522c2%2522%2520xml%253Alang%253D%250A%2522EN-US%2522%253E%2526nbsp%253B%2526nbsp%253B%2526nbsp%253B%2526nbsp%253B%2520B.%2520Bring%2520a%2520negatively%2520charged%2520rod%250Anear%2520the%2520pith%2520ball.%253C%252Fspan%253E%253C%252Fp%253E%250A%253Cp%2520class%253D%2522MsoNormal%2522%253E%253Cspan%2520lang%253D%2522EN-US%2522%2520class%253D%2522c2%2522%2520xml%253Alang%253D%250A%2522EN-US%2522%253E%2526nbsp%253B%2526nbsp%253B%2526nbsp%253B%2526nbsp%253B%2520C.%2520Removes%2520the%2520rod.%253C%252Fspan%253E%253C%252Fp%253E%250A%253Cp%2520class%253D%2522MsoNormal%2522%253E%253Cspan%2520lang%253D%2522EN-US%2522%2520class%253D%2522c2%2522%2520xml%253Alang%253D%250A%2522EN-US%2522%253E%2526nbsp%253B%253C%252Fspan%253E%253C%252Fp%253E%250A%253Cp%2520class%253D%2522MsoNormal%2522%253E%253Cspan%2520lang%253D%2522EN-US%2522%2520class%253D%2522c2%2522%2520xml%253Alang%253D%250A%2522EN-US%2522%253EQ5.%2526nbsp%253B%2520A.%2526nbsp%253B%2520Charge%2520the%2520pith%2520ball%2520as%2520in%25203%252C%2520by%250Acontact.%253C%252Fspan%253E%253C%252Fp%253E%250A%253Cp%2520class%253D%2522MsoNormal%2522%253E%253Cspan%2520lang%253D%2522EN-US%2522%2520class%253D%2522c2%2522%2520xml%253Alang%253D%250A%2522EN-US%2522%253E%2526nbsp%253B%2526nbsp%253B%2526nbsp%253B%2526nbsp%253B%2520B.%2526nbsp%253B%2520Bring%2520a%2520positively%250Acharged%2520rod%2520near%2520the%2520pith%2520ball.%253C%252Fspan%253E%253C%252Fp%253E%250A%253Cp%2520class%253D%2522MsoNormal%2522%253E%253Cspan%2520lang%253D%2522EN-US%2522%2520class%253D%2522c2%2522%2520xml%253Alang%253D%250A%2522EN-US%2522%253E%2526nbsp%253B%2526nbsp%253B%2526nbsp%253B%2526nbsp%253B%2520C.%2526nbsp%253B%2520Remove%2520the%250Arod.%253C%252Fspan%253E%253C%252Fp%253E%250A

Solutions

Expert Solution

The pith ball electroscope consists of a light, conducting pith ball suspended from a support by means of an insulating string.

Q1. A. Ground the pith ball by touching it.

     B. Rub a rubber rod with wool of fur and bring it near the pith ball

     C. Remove the rod

Q2. A. Ground the pith ball.

     B. Rub a glass rod with silk and bring it near the pith ball.

     C. Remove the rod

Q3. A. Ground the pith ball.

     B. Bring a negatively charged rod near the pith ball.

     C. Touch the pith ball with the rod

Q4. A. Charges the pith ball as in 3, by contact.

     B. Bring a negatively charged rod near the pith ball.

     C. Removes the rod.

Q5. A. Charge the pith ball as in 3, by contact.

     B. Bring a positively charged rod near the pith ball.

     C. Remove the rod.

genius_generous answered 3 months ago
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