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Electrostatics - Interview Questions and Answers

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106. Electric displacement is a______quantity.
A. scalar
B. vector
C. both of the above
D. none of the above
Explanation:
107. For which of the following parameter variation, the capacitance of the capacitor remains unaffected ?
A. Distance between plates
B. Area of the plates
C. Nature of dielectric
D. Thickness of the plates
Explanation:
108. The time constant and R-C circuit may also be defined as the time during which the charging current falls to ______ percent of its initial maximum value,
A. 37
B. 42
C. 63
D. 73
Explanation:
109. Dielectric strength ______ with increasing thickness
A. increases
B. decreases
C. remains unaltered
D. none of the above
Explanation:
110. The relative permittivity has the following units
A. F/m
B. m/F
C. Wb/m
D. no units
Explanation:
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