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Electrostatics - Interview Questions and Answers

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121. Which medium has the least dielectric strength ?
A. Paraffin wax
B. Quartz
C. Glass
D. Air
Explanation:
122. Two infinite parallel plates 10 mm apart have maintained between them a potential difference of 100 V. The acceleration of an electron placed between them is
A. 0.56 x 1015 m/s2
B. 1.5 x 1015 m/s2
C. 1.6 x 1015 m/s2
D. 1.76 x 1015 m/s2
Explanation:
123. 1 volt/metre is same as
A. 1 metre/coulomb
B. 1 newton metre
C. 1 newton/metre
D. 1 joule/coulomb
Explanation:
124. The property of a capacitor to store electricity is called its
A. capacitance
B. charge
C. energy
D. none of the above
Explanation:
125. The unit of dielectric strength is given by
A. V/m
B. V2/m
C. m/V
D. m/V2
Explanation:
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