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Electrostatic Induction - Questions and Answers

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11. Induced charges obtained by electrostatic induction
A. is always permanent
B. is always temporary
C. may be permanent or temporary
D. zero
Explanation:
12. For a circular plate, the charge accumulate
A. at the center of the plate
B. on the surface of the plate
C. on end surface of the plate
D. at the edges of the plate
Explanation:
13. The DC voltage supplied to a Van de Graff generator is of the order of
A. 1000 V
B. 6  106 V
C. 220 V
D. 6  105 V
Explanation:
14. An electrophorus device consists of
A. two metal plates
B. two insulated plates
C. one metal plate and one insulated plate
D. two circular plates
Explanation:
15. On a conductor, the surface charge density at a point is
A. directly proportional to the radius of curvature at that point
B. inversely proportional to radius of curvature at that point
C. independent of radius of curvature at that point
D. zero
Explanation:
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