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Electrostatic Induction - Questions and Answers

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6. The charge density on the surface is
A. directly proportional to the radius of curvature
B. inversely proportional to the radius of curvature
C. directly proportional to the square of the radius of curvature
D. inversely proportional to the square of the radius of curvature
Explanation:
7. Van de Graff generator is used to produce
A. AC voltage
B. AC power
C. DC current
D. DC voltage
Explanation:
8. At a sharp point of a conductor, the surface charge density is
A. zero
B. minimum
C. maximum
D. uniform
Explanation:
9. The leakage of electric charge is more at points having
A. greater curvature and lesser radius of curvature
B. greater curvature and greater radius of curvature
C. lesser curvature and greater radius of curvature
D. lesser curvature and lesser radius of curvature
Explanation:
10. Lightning arrester uses the principle of
A. electrostatic induction
B. action of points
C. both electrostatic induction and action of points
D. charging by induction
Explanation:
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