Current Electricity

1. A conductor which has a constant resistance to current flow is called?

Question 1 of 117

2. Electrical resistance of a wire conductor is conversely proportional to its cross-section area A.

Question 2 of 117

3. Mention the Law of components which are connected in parallel?

Question 3 of 117

4. Mention the 3 types of resistors?

Question 4 of 117

5. Which of the following is an example of Non-linear resistor?

Question 5 of 117

6. Resistivity of a material is numerically equal to the resistance of a material of unit length and unit cross-section area at a certain temperature?

Question 6 of 117

7. State Ohms law

Question 7 of 117

8. In a series-parallel connection the whole network of resistors is reduced into a single resistor?

Question 8 of 117

9. State Ohms law

Question 9 of 117

10. Which of the following statements about potential difference is CORRECT?

Question 10 of 117

11. The difference between E.M.F of a cell and the terminal voltage is known as?

Question 11 of 117

12. Give the name of conductors which obey Ohms Law

Question 12 of 117

13. Name the 3 factors which affect the resistance of a metallic conductor?

Question 13 of 117

14. Which formula best describes Ohms Law ?

Question 14 of 117

15. Electrical resistance of a wire conductor is conversely proportional to its cross-section area A.

Question 15 of 117

16. Metals have a constant resistance with current flow. They are said to be:

Question 16 of 117

17. What is the name given to opposition offered by a conductor to the flow of electric current?

Question 17 of 117

18. A semi-conductor diode, thermionic diode and thermistor are materials whose resistance is not constant with current flow, they are said to be:

Question 18 of 117

19. Electrical resistance in a conductor increases as temperature is increased?

Question 19 of 117

20. Describe the resistivity of a metal conductor in relation to temperature?

Question 20 of 117

21. Resistors connected in series the equivalent resistance is equal to the sum of individual resistance i.e. R total= R1 + R2 +R3

Question 21 of 117

22. Materials which have a very low electrical resistance are said to have what type of conductance?

Question 22 of 117

23. What is the name given to opposition offered by a conductor to the flow of electric current?

Question 23 of 117

24. Electrical resistance in a conductor increases as temperature is increased?

Question 24 of 117

25. Which of the following statements about potential difference is CORRECT?

Question 25 of 117

26. In resistors connected in parallel the equivalent resistance is given by: 1/R equivalent = 1/R1 + 1/R2 + 1/R3

Question 26 of 117

27. Name of the resistor that gives a fixed amount of resistance?

Question 27 of 117

28. The potential difference of a cell/ battery between its terminals when no charge is flowing out of the cell/battery (in open circuit) is called?

Question 28 of 117

29. A non-ohmic conductor is a type of conductor whose resistance varies drastically with current flow hence it has no constant resistance. True or False?

Question 29 of 117

30. Mention the law of components that are connected in series in an electric circuit?

Question 30 of 117

31. The potential difference of a cell/ battery between its terminals when no charge is flowing out of the cell/battery (in open circuit) is called?

Question 31 of 117

32. A conductor which has a constant resistance to current flow is called?

Question 32 of 117

33. Which of the following is an example of Non-linear resistor?

Question 33 of 117

34. Name the instrument used to measure electrical resistance?

Question 34 of 117

35. Which of the following is not a method to measure resistance in a circuit?

Question 35 of 117

36. Materials which have a very low electrical resistance are said to have what type of conductance?

Question 36 of 117

37. Name of the resistor that gives a fixed amount of resistance?

Question 37 of 117

38. A non-ohmic conductor is a type of conductor whose resistance varies drastically with current flow hence it has no constant resistance. True or False?

Question 38 of 117

39. In a series-parallel connection the whole network of resistors is reduced into a single resistor?

Question 39 of 117

40. Give the name of conductors which obey Ohms Law

Question 40 of 117

41. What is the name given to opposition offered by a conductor to the flow of electric current?

Question 41 of 117

42. Which formula best describes Ohms Law ?

Question 42 of 117

43. Which of the following is an example of Non-linear resistor?

Question 43 of 117

44. In resistors connected in parallel the equivalent resistance is given by: 1/R equivalent = 1/R1 + 1/R2 + 1/R3

Question 44 of 117

45. Resistivity of a material is numerically equal to the resistance of a material of unit length and unit cross-section area at a certain temperature?

Question 45 of 117

46. Resistors can be connected in 3 types of connections in a circuit?

Question 46 of 117

47. Which of the following is not a method to measure resistance in a circuit?

Question 47 of 117

48. Name the instrument used to measure electrical resistance?

Question 48 of 117

49. A conductor which has a constant resistance to current flow is called?

Question 49 of 117

50. Mention the law of components that are connected in series in an electric circuit?

Question 50 of 117

51. Name the 3 factors which affect the resistance of a metallic conductor?

Question 51 of 117

52. Name a resistor whose resistance DOES NOT change linearly with the changes in the applied voltage?

Question 52 of 117

53. What is the name of conductors which are designed to offer specific resistance to electric flow of current?

Question 53 of 117

54. Resistors can be connected in 3 types of connections in a circuit?

Question 54 of 117

55. Name the 3 factors which affect the resistance of a metallic conductor?

Question 55 of 117

56. A semi-conductor diode, thermionic diode and thermistor are materials whose resistance is not constant with current flow, they are said to be:

Question 56 of 117

57. Mention the SI UNIT of resistance

Question 57 of 117

58. In resistors connected in parallel the equivalent resistance is given by: 1/R equivalent = 1/R1 + 1/R2 + 1/R3

Question 58 of 117

59. In the Wheatstone bridge method when the galvanometer is adjusted until there is no difference in G the bridge is said to be:

Question 59 of 117

60. Which of the following is not a type of a fixed resistor?

Question 60 of 117

61. Mention the SI UNIT of resistance

Question 61 of 117

62. Materials which have a very low electrical resistance are said to have what type of conductance?

Question 62 of 117

63. Resistivity of a material is numerically equal to the resistance of a material of unit length and unit cross-section area at a certain temperature?

Question 63 of 117

64. Which formula best describes Ohms Law ?

Question 64 of 117

65. Name of the resistor that gives a fixed amount of resistance?

Question 65 of 117

66. State Ohms law

Question 66 of 117

67. In a series-parallel connection the whole network of resistors is reduced into a single resistor?

Question 67 of 117

68. Electrical resistance of a uniform conductor increases with the length of the conductor?

Question 68 of 117

69. What is the name of conductors which are designed to offer specific resistance to electric flow of current?

Question 69 of 117

70. Name the instrument used to measure electrical resistance?

Question 70 of 117

71. Name of the resistor that gives a fixed amount of resistance?

Question 71 of 117

72. Electrical resistance of a wire conductor is conversely proportional to its cross-section area A.

Question 72 of 117

73. Ohms Law explains about the relationship between:

Question 73 of 117

74. Mention the 3 types of resistors?

Question 74 of 117

75. Electrical resistance in a conductor increases as temperature is increased?

Question 75 of 117

76. Describe the resistivity of a semi-conductor in relation to temperature?

Question 76 of 117

77. Give the name of conductors which obey Ohms Law

Question 77 of 117

78. Which of the following is not a type of a fixed resistor?

Question 78 of 117

79. Why is the Wheatstone bridge method more accurate than the Voltmeter ammeter method?

Question 79 of 117

80. CURRENT = E.M.F /TOTAL RESISTANCE

Question 80 of 117

81. Name of the resistor that gives a fixed amount of resistance?

Question 81 of 117

82. Describe the resistivity of a metal conductor in relation to temperature?

Question 82 of 117

83. The difference between E.M.F of a cell and the terminal voltage is known as?

Question 83 of 117

84. Which of the following statements about potential difference is CORRECT?

Question 84 of 117

85. Describe the resistivity of a semi-conductor in relation to temperature?

Question 85 of 117

86. Mention the 3 types of resistors?

Question 86 of 117

87. Name of the resistor that gives a fixed amount of resistance?

Question 87 of 117

88. Ohms Law explains about the relationship between:

Question 88 of 117

89. Name a resistor whose resistance DOES NOT change linearly with the changes in the applied voltage?

Question 89 of 117

90. Electrical resistance of a uniform conductor increases with the length of the conductor?

Question 90 of 117

91. Why is the Wheatstone bridge method more accurate than the Voltmeter ammeter method?

Question 91 of 117

92. In the Wheatstone bridge method when the galvanometer is adjusted until there is no difference in G the bridge is said to be:

Question 92 of 117

93. Metals have a constant resistance with current flow. They are said to be:

Question 93 of 117

94. A non-ohmic conductor is a type of conductor whose resistance varies drastically with current flow hence it has no constant resistance. True or False?

Question 94 of 117

95. Electrical resistance of a uniform conductor increases with the length of the conductor?

Question 95 of 117

96. A semi-conductor diode, thermionic diode and thermistor are materials whose resistance is not constant with current flow, they are said to be:

Question 96 of 117

97. The difference between E.M.F of a cell and the terminal voltage is known as?

Question 97 of 117

98. CURRENT = E.M.F /TOTAL RESISTANCE

Question 98 of 117

99. Resistors can be connected in 3 types of connections in a circuit?

Question 99 of 117

100. Resistors connected in series the equivalent resistance is equal to the sum of individual resistance i.e. R total= R1 + R2 +R3

Question 100 of 117

101. Mention the SI UNIT of resistance

Question 101 of 117

102. Metals have a constant resistance with current flow. They are said to be:

Question 102 of 117

103. Why is the Wheatstone bridge method more accurate than the Voltmeter ammeter method?

Question 103 of 117

104. Mention the Law of components which are connected in parallel?

Question 104 of 117

105. In the Wheatstone bridge method when the galvanometer is adjusted until there is no difference in G the bridge is said to be:

Question 105 of 117

106. Which of the following is not a type of a fixed resistor?

Question 106 of 117

107. Resistors connected in series the equivalent resistance is equal to the sum of individual resistance i.e. R total= R1 + R2 +R3

Question 107 of 117

108. Mention the law of components that are connected in series in an electric circuit?

Question 108 of 117

109. Describe the resistivity of a metal conductor in relation to temperature?

Question 109 of 117

110. What is the name of conductors which are designed to offer specific resistance to electric flow of current?

Question 110 of 117

111. Ohms Law explains about the relationship between:

Question 111 of 117

112. Mention the Law of components which are connected in parallel?

Question 112 of 117

113. CURRENT = E.M.F /TOTAL RESISTANCE

Question 113 of 117

114. Describe the resistivity of a semi-conductor in relation to temperature?

Question 114 of 117

115. Name a resistor whose resistance DOES NOT change linearly with the changes in the applied voltage?

Question 115 of 117

116. Which of the following is not a method to measure resistance in a circuit?

Question 116 of 117

117. The potential difference of a cell/ battery between its terminals when no charge is flowing out of the cell/battery (in open circuit) is called?

Question 117 of 117