# Electrostatics 2

1. Why is an electrolytic capacitor preferred to a paper capacitor?

Question 1 of 35

2. Mention 3 types of capacitors

Question 2 of 35

3. Between a spherical object and a pear shaped body of equal charge which of the two has a higher charge concentration according to charge distribution?

Question 3 of 35

4. Electric field lines are parallel at a uniform field however they are widely spread at?

Question 4 of 35

5. Mention the importance of lighting arrestor

Question 5 of 35

6. Which of the following is among the properties of an electric field?

Question 6 of 35

7. Which of the following statements about capacitor is CORRECT?

Question 7 of 35

8. Mention the 2 types of connections in which capacitors can be connected in a circuit?

Question 8 of 35

9. Give the SI unit of the energy stored in a capacitor?

Question 9 of 35

10. What IS THE name given to a measure of the amount of charge the capacitor can store when connected to a given voltage?

Question 10 of 35

11. The resultant capacitor in a parallel connection is the sum of individual capacitor CT = C1 + C2 + C3

Question 11 of 35

12. Name the device used to store charges?

Question 12 of 35

13. The direction of an electric field at a point is the direction in which a positively charged particle would move if placed at that point. True or False?

Question 13 of 35

14. Which of the following is among the applications of a capacitor?

Question 14 of 35

15. Objects with a sharp point discharge charges faster?

Question 15 of 35

16. Which type of capacitor is able to vary its capacitance and is popular used in radio receivers for tuning?

Question 16 of 35

17. The space around a charged body where the force of attraction or repulsion is felt is called?

Question 17 of 35

18. If a capacitor is connected to a circuit which has a higher voltage than the capacitors rated maximum voltage then the capacitor shall become a conductor. True or False?

Question 18 of 35

19. Mention the influencing factors of capacitance

Question 19 of 35

20. The resultant capacitance in a series connection is the sum of the reciprocal of the capacitance of individual capacitors i.e. 1/Ctotal = 1/C1 + 1/C2 + 1/C3

Question 20 of 35

21. Give the formula of the energy stored in a capacitor

Question 21 of 35

22. Which of the following statements is CORRECT when a capacitor is charged by a battery?

Question 22 of 35

23. State the SI UNIT of capacitance?

Question 23 of 35

24. Do you expect to detect charges on the inside surface of a charged hollow conductor/ cylinder?

Question 24 of 35

25. Capacitance is directly proportional to the area of plates overlap and inversely proportional to the distance of separation between 2 plates or more. True or False?

Question 25 of 35

26. Objects which have a sharp point have a higher charge concentration. True or False?

Question 26 of 35

27. What does a Lighting arrestor comprise of?

Question 27 of 35

28. Electric field lines are parallel at a uniform field however they are closely arranged at?

Question 28 of 35

29. Which of the following statements is CORRECT about when a capacitor is discharged?

Question 29 of 35

30. Which capacitor consists of 2 thin strips of paper which are separated by a metal foil?

Question 30 of 35

31. C is proportional to A/d and C = (k x A)/d where C = capacitance. Which of the following statements CORRECTLY describe the other parameters in the highlighted formula?

Question 31 of 35

32. Lighting is produced when 2 opposite charged clouds attract one another strongly and neutralize each other causing thunder and lightning. True or False?

Question 32 of 35

33. Define capacitance

Question 33 of 35

34. Which capacitor is made by passing a direct current (d.c ) between aluminum foils with a suitable electrolyte (aluminum borate) in between?

Question 34 of 35

35. Electric field lines do not cross one another. True or False?

Question 35 of 35