Electrostatics 2

1. Mention 3 types of capacitors

Question 1 of 35

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

Question 2 of 35

3. Objects with a sharp point discharge charges faster?

Question 3 of 35

4. 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 4 of 35

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

Question 5 of 35

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

Question 6 of 35

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

Question 7 of 35

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

Question 8 of 35

9. Name the device used to store charges?

Question 9 of 35

10. State the SI UNIT of capacitance?

Question 10 of 35

11. Mention the influencing factors of capacitance

Question 11 of 35

12. What does a Lighting arrestor comprise of?

Question 12 of 35

13. Define capacitance

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

Question 14 of 35

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

Question 15 of 35

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

Question 16 of 35

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

Question 17 of 35

18. 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 18 of 35

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

Question 19 of 35

20. 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 20 of 35

21. 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 21 of 35

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

Question 22 of 35

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

Question 23 of 35

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

Question 24 of 35

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

Question 25 of 35

26. 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 26 of 35

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

Question 27 of 35

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

Question 28 of 35

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

Question 29 of 35

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

Question 30 of 35

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

Question 31 of 35

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

Question 32 of 35

33. Mention the importance of lighting arrestor

Question 33 of 35

34. 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 34 of 35

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

Question 35 of 35