Electrostatics 2

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

Question 1 of 35

2. 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 2 of 35

3. 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 3 of 35

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

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5. Mention the influencing factors of capacitance

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

Question 6 of 35

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

Question 7 of 35

8. 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

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

Question 9 of 35

10. Mention 3 types of capacitors

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

Question 11 of 35

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

Question 12 of 35

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

Question 13 of 35

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

Question 14 of 35

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

Question 15 of 35

16. What does a Lighting arrestor comprise of?

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17. 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?

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18. Mention the importance of lighting arrestor

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

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

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21. Define capacitance

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

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

Question 23 of 35

24. 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 24 of 35

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

Question 25 of 35

26. Name the device used to store charges?

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

Question 27 of 35

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

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29. Objects with a sharp point discharge charges faster?

Question 29 of 35

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

Question 30 of 35

31. 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 31 of 35

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

Question 32 of 35

33. State the SI UNIT of capacitance?

Question 33 of 35

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

Question 34 of 35

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

Question 35 of 35