# AP Physics B Electrostatics Multiple Choice Questions

The AP Physics B Electrostatics Multiple Choice Questions for students are:

01. True or False: CO2 is a Polar Molecule

02. Examples of Dielectric materials are ___________

03. Name the phenomenon: When sharp pointed charged conductor is placed in air, rapid electric discharge takes place
05. When Condensers are placed in Parallel, the potential Difference is ______ for each condensers.04. Name the following: They are insulators, which does not allow current to flow through it but shows electric effects.

06. Name the following: It is a device to generate high potential difference of the order of few million volts.

07. Dielectrics when placed in an external electric field, dipole moment is induced due to stretching and _________ of molecules

08. When Condensers are placed in Series, the resultant capacity _________
(a) Increases
(b) Remains same
(c) Decreases
(d) becomes zero

09. The total number of electric lines of force passing normally through a given area in an electric field is called _________

10. _______ is used to store large quantity of charge at low potential, which is used in nuclear reactor

11. Name the Law: The total normal electric induction (TNEI) over a closed surface is equal to the algebraic sum of the electric charges enclosed by that surface [ TNEI = ΣQ ]

12. During the process of charging a condenser, work has to done to bring charge on the surface of conductor. The work done is stored in the electric field surrounding the conductor in the form of electrostatic energy. The electrostatic energy per unit volume is called ___________

13. Center of gravity of positive nuclei and that of electrons does not coincide in a ______ molecule

14. True or False: When Condensers are placed in Series, the combination can withstand high voltage

15. A dielectric with polar or non-polar molecules develops a net dipole moment in the direction of field in presence of external field. This phenomenon is called ___________

16. Name the following: An electrical element which blocks DC current and allows AC current.

17. What are the three factors on which Capacity of a Parallel Plate Condenser filled with dielectric medium depends?

18. ______________ are those substance in which induced dipole moment is induced in the direction of electric field and is proportional to field strength

19. True or False: HCl is a Polar Molecule

20. The Electric Intensity of a Charged Cylindrical conductors, inside the cylinder is ______

21. The path along which a unit positive charge moves when placed in an electric field is called ___________

22. Name few Solid dielectrics.

23. The total number of tubes of induction passing normally through a given area drawn around a point in an electric field is called ______________

24. When Condensers are placed in _____, the resultant capacity is the sum of capacities of individual condensers

25. Center of gravity of positive nuclei and that of electrons ________ in a Non-Polar molecule

26. The capacity of a conductor is ______, if a charge of 1 coulomb given to the conductor increases it’s potential by 1 volt

27. Condenser is used for _________ rectified currents in power supplies

28. Name few Liquid dielectrics:

29. The arrangement of one charged conductor and the another earth-connected conductor with the dielectric medium between them is known as ___________

## Answers: AP Physics B Electrostatics Multiple Choice Questions

01. False {It is Non-Polar}
02. Mica, Ceramic, Paper, Synthetic film, Air and Electrolyte
03. Corona discharge
04. Dielectrics
05. Same
06. Van de Graaff Generator
07. reorientation
08. (c) Decreases
09. Electric Flux (Φ)
10. Condenser
11. Gauss’s Theorem
12. Energy Density
13. Polar
14. True
15. Polarisation of dielectric
16. Condenser, Capacitor
17. 1. Area (A), 2. dielectric constant (K) and 3. distance between plates (d)
18. Linear Isotropic dielectrics
19. True
20. Zero
21. Electric Line of Force
22. Ceramics, glasses, plastics, rubber, mica, asbestos
23. Total Normal Electric Induction (TNEI)
24. Parallel
25. Coincide