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Electrostatics - Interview Questions and Answers

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26. Dielectric strength of medium
A. increases with rise in temperature
B. increases with moisture content
C. is same for all insulating materials
D. none of the above
Explanation:
27. The capacitance between two plates increases with
A. shorter plate area and higher ap�plied voltage
B. shorter plate area and shorter dis�tance between them
C. larger plate area, longer distance between plates and higher,applied voltage
D. larger plate area and shorter distance between plates
Explanation:
28. The ohmmeter reading for a short circuited capacitor is
A. infinity
B. few kilo ohms
C. few megaahms
D. zero
Explanation:
29. A potential of 400 V is applied to a capacitor, the plates of which are 4 mm apart. The strength of electric field is
A. 100 kV/m
B. 10 kV/m
C. 5 kV/m
D. 2 kV/m
Explanation:
30. Which of the following capacitor is preferred in case of single phase motor ?
A. Mica capacitor
B. Paper capacitor
C. Electrolytic capacitor
D. Ceramic capacitor
Explanation:
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