Current Electricity

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

Question 1 of 117

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

Question 2 of 117

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

Question 3 of 117

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

Question 4 of 117

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

Question 5 of 117

6. Give the name of conductors which obey Ohms Law

Question 6 of 117

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

Question 7 of 117

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

Question 8 of 117

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

Question 9 of 117

10. Give the name of conductors which obey Ohms Law

Question 10 of 117

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

Question 11 of 117

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

Question 12 of 117

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

Question 13 of 117

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

Question 14 of 117

15. Which formula best describes Ohms Law ?

Question 15 of 117

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

Question 16 of 117

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

Question 17 of 117

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

Question 18 of 117

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

Question 19 of 117

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

Question 20 of 117

21. State Ohms law

Question 21 of 117

22. 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 22 of 117

23. 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 23 of 117

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

Question 24 of 117

25. Ohms Law explains about the relationship between:

Question 25 of 117

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

Question 26 of 117

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

Question 27 of 117

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

Question 28 of 117

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

Question 29 of 117

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

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

Question 32 of 117

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

Question 33 of 117

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

Question 34 of 117

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

Question 35 of 117

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

Question 36 of 117

37. Mention the SI UNIT of resistance

Question 37 of 117

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

Question 38 of 117

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

Question 39 of 117

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

Question 40 of 117

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

Question 41 of 117

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

Question 42 of 117

43. Give the name of conductors which obey Ohms Law

Question 43 of 117

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

Question 44 of 117

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

Question 45 of 117

46. Mention the 3 types of resistors?

Question 46 of 117

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

Question 47 of 117

48. Mention the SI UNIT of resistance

Question 48 of 117

49. State Ohms law

Question 49 of 117

50. 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 50 of 117

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

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

Question 53 of 117

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

Question 54 of 117

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

Question 55 of 117

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

Question 56 of 117

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

Question 57 of 117

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

Question 58 of 117

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

Question 59 of 117

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

Question 60 of 117

61. Name the instrument used to measure electrical resistance?

Question 61 of 117

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

Question 62 of 117

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

Question 63 of 117

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

Question 64 of 117

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

Question 65 of 117

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

Question 66 of 117

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

Question 67 of 117

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

Question 68 of 117

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

Question 69 of 117

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

Question 70 of 117

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

Question 71 of 117

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

Question 72 of 117

73. Name the instrument used to measure electrical resistance?

Question 73 of 117

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

Question 74 of 117

75. Which formula best describes Ohms Law ?

Question 75 of 117

76. Ohms Law explains about the relationship between:

Question 76 of 117

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

Question 77 of 117

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

Question 78 of 117

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

Question 79 of 117

80. Name the instrument used to measure electrical resistance?

Question 80 of 117

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

Question 81 of 117

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

Question 82 of 117

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

Question 83 of 117

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

Question 84 of 117

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

Question 85 of 117

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

Question 86 of 117

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

Question 87 of 117

88. 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 88 of 117

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

Question 89 of 117

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

Question 90 of 117

91. Ohms Law explains about the relationship between:

Question 91 of 117

92. Which formula best describes Ohms Law ?

Question 92 of 117

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

Question 93 of 117

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

Question 94 of 117

95. State Ohms law

Question 95 of 117

96. 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 96 of 117

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

Question 97 of 117

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

Question 98 of 117

99. Mention the SI UNIT of resistance

Question 99 of 117

100. 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 100 of 117

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

Question 101 of 117

102. 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 102 of 117

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

Question 103 of 117

104. Mention the 3 types of resistors?

Question 104 of 117

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

Question 105 of 117

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

Question 106 of 117

107. 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 107 of 117

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

Question 108 of 117

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

Question 109 of 117

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

Question 110 of 117

111. Mention the 3 types of resistors?

Question 111 of 117

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

Question 112 of 117

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

Question 113 of 117

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

Question 114 of 117

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

Question 115 of 117

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

Question 116 of 117

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

Question 117 of 117