Electrostatics 2

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

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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?

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

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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?

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

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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?

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11. Name the device used to store charges?

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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

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

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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?

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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?

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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?

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

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

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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?

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

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27. What does a Lighting arrestor comprise of?

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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

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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

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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