# Electrostatics 2

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

Question 1 of 35

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

Question 2 of 35

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

Question 3 of 35

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

Question 4 of 35

5. State the SI UNIT of capacitance?

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6. Mention the influencing factors of capacitance

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

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

Question 8 of 35

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

Question 9 of 35

10. 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 10 of 35

11. Name the device used to store charges?

Question 11 of 35

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

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

Question 13 of 35

14. 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 14 of 35

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

Question 15 of 35

16. 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 16 of 35

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

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18. Objects with a sharp point discharge charges faster?

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

Question 19 of 35

20. 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 20 of 35

21. 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 21 of 35

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

Question 22 of 35

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

Question 23 of 35

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

Question 24 of 35

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

Question 25 of 35

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

Question 26 of 35

27. What does a Lighting arrestor comprise of?

Question 27 of 35

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

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29. Mention the importance of lighting arrestor

Question 29 of 35

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

Question 30 of 35

31. Mention 3 types of capacitors

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

Question 32 of 35

33. Define capacitance

Question 33 of 35

34. 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 34 of 35

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

Question 35 of 35