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Electrostatics - Interview Questions and Answers

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86. For closer tolerances which of the following capacitors is usually preferred ?
A. Paper capacitor
B. Mica capacitor
C. Ceramic disc capacitor
D. None of the above
Explanation:
87. Dielectric constant for mica is nearly
A. 200
B. 100
C. 3 to 8
D. 1 to 2
Explanation:
88. Dielectric strength of mica is
A. 10 to 20 kV/mm
B. 30 to 50 kV/mm
C. 50 to 200 kV/mm
D. 300 to 500 kV/mm
Explanation:
89. The units of volume charge density are
A. Coulomb/metre
B. Coulomb/metre
C. Coulomb/metre
D. Coulomb/metre
Explanation:
90. The electrostatic force between two charges of one coulomb each and placed at a distance of 0.5 m will be
A. 36 x 10fa
B. 36 x 107 N
C. 36 x 108 N
D. 36 x 109 N
Explanation:
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