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Electrostatics - Interview Questions and Answers

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16. An uncharged conductor is placed near a charged conductor, then
A. the uncharged conductor gets charged by conduction
B. the uncharged conductor gets charged by induction and then attracted towards the charging body
C. the uncharged conductor is attracted first and then charged by induction
D. it remains as such
Explanation:
17. If an ohmmeter reading immediately goes practically to zero and stays there, capacitor is
A. charged
B. short-circuited
C. lossy
D. satisfactory
Explanation:
18. A positive and a negative charge are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be
A. 5 times smaller than before
B. 5 times greater than before
C. 10 times greater than before
D. 25 times larger than before
Explanation:
19. For a good 0.05 uF capacitor ohmmeter reading should
A. show low resistance momentarily and back off to a very high resis�tance
B. show high resistance momentarily and then a very low resistance
C. go quickly to 50 ohm approximately and remain there
D. not move at all
Explanation:
20. In order to remove static electricity from machinery
A. construct insulated cabins
B. insulate the machinery
C. ground the framework
D. humidify the surroundings
Explanation:
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