1. The force between two charges is 120 N. If the distance between the charges is doubled, the force will be
2. The electric field intensity at a point situated 4 meters from a point charge is 200 N/C. If the distance is reduced to 2 meters, the field intensity will be
3. The lines of force due to charged particles are
4. The electric field at a point situated at a distance d from straight charged conductor is
5. The direction of electric field due +0 positive charge is _______.
6. A field line and an equipotential surface are
7. The ability of charged bodies to exert force on 6ne another is attributed to the existence of
8. If the sheet of a Bakelite is inserted between the plates of an air capacitor, the capacitance will
9. A capacitor stores 0.24 coulombs at 10 volts. Its capacitance is
10. For making a capacitor, it is better to select a dielectric having
11. The units of capacitance are
12. If three 15 uF capacitors are connected in series, the net capacitance is
13. If three 10 uF capacitors are connected in parallel, the net cararitance is
14. A dielectric material must be
15. An electrolytic capacitor can be used for
16. The capacitance of a capacitor is not affected by
17. Which of the following is not a vector ?
18. Two plates of a parallel plate capacitor after being charged from a constant voltage source are separated apart by means of insulated handles, then the
19. If A.C. voltage is applied to capacitive circuit, the alternating current can flow in the circuit because
20. Voltage applied across a ceramic dielectric produces an electrolytic field 100 times greater than air. What will be the value of dielectric constant ?
21. Which of the following statements is correct ?
22. The dissipation factor of a good dielectric is of the order of
23. "The total electric flux through any closed surface surrounding charges is equal to the amount overcharge enclosed".
24. Three capacitors each of the capacity C are given. The resultant capacity 2/3 Ccan be obtained by using them
25. For which of the following parameter variation, the capacitance of the capacitor remains unaffected ?
26. Which of the following statement is true ?
27. Which of the following expression is correct for electric field strength ?
28. In a capacitor the electric charge is stored in
29. Which of the following materials has the highest value of dielectric constant?
30. Which of the following capacitors will have the least variation ?
31. Which of the following statements is incorrect ?
32. Which of the following capacitors has relatively shorter shelf life ?
33. The sparking between two electrical contacts can be reduced by inserting a
34. In the case of a lossy capacitor, its series equivalent resistance value will be
35. The power dissipated in a pure capacitor is
36. In a capacitive circuit is ________.
37. When a dielectric slab is introduced in a parallel plate capacitor, the potential difference between plates will
38. Capacitance increases with _______.
39. A capacitor consists of _______.
40. A gang condenser is a _______.
41. A paper capacitor is usually available in the form of
42. Air capacitors are generally available in the range
43. The unit of capacitance is ________.
44. A capacitor charged to 200 V has 2000 (ic of charge. The value of capacitance will be
45. A capacitor in a circuit became hot and ultimately exploded due to wrong connections, which type of capacitor it could be ?
46. Energy stored in the electric field of a capacitor C when charged from a D.C source of voltage V is equal to joules
47. The absolute permittivity of free space is given by
48. The relative permittivity of free space is given by ________.
49. Electric field intensity is a quantity _________.
50. When 4 volts e.m.f. is applied across a 1 farad capacitor, it will store energy of
51. The capacitor preferred for high frequency circuits is
52. The capacity of capacitor bank used in power factor correction is expressed in terms of
53. While testing a capacitor with ohm-meter, if the capacitor shows charging, but the final resistance reading is appreciably less than normal, it can be concluded that the capacitor is
54. If a 6 uf capacitor is charged to 200 V, the charge in coulombs will be
55. Which capacitor will be physically smaller for the same ratings ?
56. What is the value of capacitance that must be connected in parallel with 50 pF condenser to make an equivalent capacitance of 150 pF ?
57. A mica capacitor and a ceramic capacitor both have the same physical dimensions. Which will have more value of capacitance ?
58. Which of the following material has least value of dielectric constant ?
59. Which of the following capacitors will have the least value of breakdown voltage ?
60. The breakdown voltage for paper capacitors is usually
61. Dielectric constant for mica is nearly
62. The value of dielectric constant for vacuum is taken as
63. Which of the following capacitors is marked for polarity ?
64. Which of the following capacitors can be used for temperature compensation ?
65. Which of the following statements is incorrect ?
66. Paper capacitors usually have a tolerance of
67. For closer tolerances which of the following capacitors is usually preferred ?
68. The electrostatic force between two charges of one coulomb each and placed at a distance of 0.5 m will be
69. The units of volume charge density are
70. "The surface integral of the normal component of the electric displacement D over any closed surface equals the charge enclosed by the surface".The above statement is associated with
71. Dielectric strength of mica is ________.
72. The dielectric constant (relative permittivity) of glass is given by
73. capacitors are mainly used for radio frequency tuning.
74. capacitors can be used only for D.C.
75. capacitors are used in transistor circuits.
76. capacitors are used for audio frequency and radio frequency coupling and tuning.
77. The inverse of capacitance is called
78. When the dielectric is homogeneous,the potential gradient is
79. The potential gradient across the material of low permittivity is than across the material of high permittivity.
80. ________field is associated with the capacitor.
81. A capacitor having capacitance of 5 uF is charged to a potential difference of 10,000 V. The energy stored in the capacitor is
82. A single core cable used on 33000 V has conductor diameter 10 mm and the internal diameter of sheath 25 mm. The maximum electrostatic stress in the cable is
83. Two infinite parallel plates 10 mm apart have maintained between them a potential difference of 100 V. The acceleration of an electron placed between them is
84. The total deficiency or excess of electrons in a body is known as
85. The relative permittivity has the following units
87. The phenomenon of an uncharged body getting charged merely by the nearness of a charged body is known as
88. A unit tube of flux is known as ______ tube.
89. The number of Faraday tubes of flux passing through a surface in an electric field is called
90. The unit of electric intensity is ________.
91. The value of E within the field due to a point charge can be found with the help of
92. at a point may be defined as equal to the lines of force passing normally through a unit cross section at that point.
93. Electric intensity at any point in an electric field is equal to the at that point.
94. Electric displacement is a______quantity.
95. at a point is equal to the negative potential gradient at that point.
96. The unit of dielectric strength is given by _______.
97. Dielectric strength ______ with increasing thickness
98. The property of a capacitor to store electricity is called its
99. ________ is that property of a capacitor which delays any change of voltage across it.
100. In a cable capacitor, voltage gradient is maximum at the surface of the _______.
2. The electric field intensity at a point situated 4 meters from a point charge is 200 N/C. If the distance is reduced to 2 meters, the field intensity will be
3. The lines of force due to charged particles are
4. The electric field at a point situated at a distance d from straight charged conductor is
5. The direction of electric field due +0 positive charge is _______.
6. A field line and an equipotential surface are
7. The ability of charged bodies to exert force on 6ne another is attributed to the existence of
8. If the sheet of a Bakelite is inserted between the plates of an air capacitor, the capacitance will
9. A capacitor stores 0.24 coulombs at 10 volts. Its capacitance is
10. For making a capacitor, it is better to select a dielectric having
11. The units of capacitance are
12. If three 15 uF capacitors are connected in series, the net capacitance is
13. If three 10 uF capacitors are connected in parallel, the net cararitance is
14. A dielectric material must be
15. An electrolytic capacitor can be used for
16. The capacitance of a capacitor is not affected by
17. Which of the following is not a vector ?
18. Two plates of a parallel plate capacitor after being charged from a constant voltage source are separated apart by means of insulated handles, then the
19. If A.C. voltage is applied to capacitive circuit, the alternating current can flow in the circuit because
20. Voltage applied across a ceramic dielectric produces an electrolytic field 100 times greater than air. What will be the value of dielectric constant ?
21. Which of the following statements is correct ?
22. The dissipation factor of a good dielectric is of the order of
23. "The total electric flux through any closed surface surrounding charges is equal to the amount overcharge enclosed".
24. Three capacitors each of the capacity C are given. The resultant capacity 2/3 Ccan be obtained by using them
25. For which of the following parameter variation, the capacitance of the capacitor remains unaffected ?
26. Which of the following statement is true ?
27. Which of the following expression is correct for electric field strength ?
28. In a capacitor the electric charge is stored in
29. Which of the following materials has the highest value of dielectric constant?
30. Which of the following capacitors will have the least variation ?
31. Which of the following statements is incorrect ?
32. Which of the following capacitors has relatively shorter shelf life ?
33. The sparking between two electrical contacts can be reduced by inserting a
34. In the case of a lossy capacitor, its series equivalent resistance value will be
35. The power dissipated in a pure capacitor is
36. In a capacitive circuit is ________.
37. When a dielectric slab is introduced in a parallel plate capacitor, the potential difference between plates will
38. Capacitance increases with _______.
39. A capacitor consists of _______.
40. A gang condenser is a _______.
41. A paper capacitor is usually available in the form of
42. Air capacitors are generally available in the range
43. The unit of capacitance is ________.
44. A capacitor charged to 200 V has 2000 (ic of charge. The value of capacitance will be
45. A capacitor in a circuit became hot and ultimately exploded due to wrong connections, which type of capacitor it could be ?
46. Energy stored in the electric field of a capacitor C when charged from a D.C source of voltage V is equal to joules
47. The absolute permittivity of free space is given by
48. The relative permittivity of free space is given by ________.
49. Electric field intensity is a quantity _________.
50. When 4 volts e.m.f. is applied across a 1 farad capacitor, it will store energy of
51. The capacitor preferred for high frequency circuits is
52. The capacity of capacitor bank used in power factor correction is expressed in terms of
53. While testing a capacitor with ohm-meter, if the capacitor shows charging, but the final resistance reading is appreciably less than normal, it can be concluded that the capacitor is
54. If a 6 uf capacitor is charged to 200 V, the charge in coulombs will be
55. Which capacitor will be physically smaller for the same ratings ?
56. What is the value of capacitance that must be connected in parallel with 50 pF condenser to make an equivalent capacitance of 150 pF ?
57. A mica capacitor and a ceramic capacitor both have the same physical dimensions. Which will have more value of capacitance ?
58. Which of the following material has least value of dielectric constant ?
59. Which of the following capacitors will have the least value of breakdown voltage ?
60. The breakdown voltage for paper capacitors is usually
61. Dielectric constant for mica is nearly
62. The value of dielectric constant for vacuum is taken as
63. Which of the following capacitors is marked for polarity ?
64. Which of the following capacitors can be used for temperature compensation ?
65. Which of the following statements is incorrect ?
66. Paper capacitors usually have a tolerance of
67. For closer tolerances which of the following capacitors is usually preferred ?
68. The electrostatic force between two charges of one coulomb each and placed at a distance of 0.5 m will be
69. The units of volume charge density are
70. "The surface integral of the normal component of the electric displacement D over any closed surface equals the charge enclosed by the surface".The above statement is associated with
71. Dielectric strength of mica is ________.
72. The dielectric constant (relative permittivity) of glass is given by
73. capacitors are mainly used for radio frequency tuning.
74. capacitors can be used only for D.C.
75. capacitors are used in transistor circuits.
76. capacitors are used for audio frequency and radio frequency coupling and tuning.
77. The inverse of capacitance is called
78. When the dielectric is homogeneous,the potential gradient is
79. The potential gradient across the material of low permittivity is than across the material of high permittivity.
80. ________field is associated with the capacitor.
81. A capacitor having capacitance of 5 uF is charged to a potential difference of 10,000 V. The energy stored in the capacitor is
82. A single core cable used on 33000 V has conductor diameter 10 mm and the internal diameter of sheath 25 mm. The maximum electrostatic stress in the cable is
83. Two infinite parallel plates 10 mm apart have maintained between them a potential difference of 100 V. The acceleration of an electron placed between them is
84. The total deficiency or excess of electrons in a body is known as
85. The relative permittivity has the following units
87. The phenomenon of an uncharged body getting charged merely by the nearness of a charged body is known as
88. A unit tube of flux is known as ______ tube.
89. The number of Faraday tubes of flux passing through a surface in an electric field is called
90. The unit of electric intensity is ________.
91. The value of E within the field due to a point charge can be found with the help of
92. at a point may be defined as equal to the lines of force passing normally through a unit cross section at that point.
93. Electric intensity at any point in an electric field is equal to the at that point.
94. Electric displacement is a______quantity.
95. at a point is equal to the negative potential gradient at that point.
96. The unit of dielectric strength is given by _______.
97. Dielectric strength ______ with increasing thickness
98. The property of a capacitor to store electricity is called its
99. ________ is that property of a capacitor which delays any change of voltage across it.
100. In a cable capacitor, voltage gradient is maximum at the surface of the _______.
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