Electrostatics MCQs
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Electrostatics MCQs
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25 Questions

1. The phenomenon of an uncharged body getting charged merely by the nearness of a charged body is known as
2. Voltage applied across a ceramic dielectric produces an electrolytic field 100 times greater than air. What will be the value of dielectric constant?
3. A condenser suitable for D.C. only is
4. At a point may be defined as equal to the lines of force passing normally through a unit cross section at that point.
5. The ohmmeter reading for a short circuited capacitor is
6. While testing a capacitor with ohm meter, if the capacitor shows charging, but the final resistance reading is appreciably less than normal, it can be concluded that the capacitor is
7. Which of the following capacitors will have the least variation?
8. Permittivity is expressed in
9. Which of the following statements is incorrect?
10. Two plates of a parallel plate capacitor after being charged from a constant voltage source are separated apart by means of insulated handles, then the
11. Which capacitor will be physically smaller for the same ratings?
12. The potential gradient across the material of low permittivity is than across the material of high permittivity.
13. In a capacitive circuit
14. An uncharged conductor is placed near a charged conductor, then
15. A positive and a negative charge are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be
16. The total deficiency or excess of electrons in a body is known as
17. Air capacitors are generally available in the range
18. The electric field at a point situated at a distance d from straight charged conductor is
19. An electrolytic capacitor can be used for
20. The capacitor preferred for high frequency circuits is
21. A potential of 400 V is applied to a capacitor, the plates of which are 4 mm apart. The strength of electric field is
22. A field line and an equipotential surface are
23. For which of the following parameter variation, the capacitance of the capacitor remains unaffected?
24. An electrolytic capacitor is generally made to provide
25. What will happen to an insulating medium if voltage more than the breakdown voltage is applied on it?

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