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Electrostatics - Interview Questions and Answers

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71. The relative permittivity of free space is given by
A. 1
B. 10
C. 100
D. 1000
Explanation:
72. Electric field intensity is a quantity
A. scalar
B. vector
C. both (a) and (b)
D. none of the above
Explanation:
73. Energy stored in the electric field of a capacitor C when charged from a D.C source of voltage V is equal to joules
A. CV2
B. C2V
C. CV2
D. CV
Explanation:
74. Voltage applied across a ceramic dielectric produces an electrolytic field 100 times greater than air. What will be the value of dielectric constant ?
A. 50
B. 100
C. 150
D. 200
Explanation:
75. The power dissipated in a pure capacitor is
A. zero
B. proportional to applied voltage
C. proportional to value of capacitance
D. both (b) and (c) above
Explanation:
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