Current Electricity

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

Question 1 of 117

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

Question 2 of 117

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

Question 3 of 117

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

Question 4 of 117

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

Question 5 of 117

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

Question 6 of 117

7. Name the instrument used to measure electrical resistance?

Question 7 of 117

8. Give the name of conductors which obey Ohms Law

Question 8 of 117

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

Question 9 of 117

10. State Ohms law

Question 10 of 117

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

Question 11 of 117

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

Question 12 of 117

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

Question 13 of 117

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

Question 14 of 117

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

Question 15 of 117

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

Question 16 of 117

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

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. 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 19 of 117

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

Question 20 of 117

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

Question 21 of 117

22. 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 22 of 117

23. State Ohms law

Question 23 of 117

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

Question 24 of 117

25. 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 25 of 117

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

Question 26 of 117

27. Name the instrument used to measure electrical resistance?

Question 27 of 117

28. 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 28 of 117

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

Question 29 of 117

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

Question 30 of 117

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

Question 31 of 117

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

Question 32 of 117

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

Question 33 of 117

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

Question 34 of 117

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

Question 35 of 117

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

Question 36 of 117

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

Question 37 of 117

38. 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 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. Which formula best describes Ohms Law ?

Question 40 of 117

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

Question 41 of 117

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

Question 42 of 117

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

Question 43 of 117

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

Question 44 of 117

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

Question 45 of 117

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

Question 46 of 117

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

Question 47 of 117

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

Question 48 of 117

49. Mention the SI UNIT of resistance

Question 49 of 117

50. 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 50 of 117

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

Question 51 of 117

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

Question 52 of 117

53. A semi-conductor diode, thermionic diode and thermistor are materials whose resistance is not constant with current flow, they are 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. In the Wheatstone bridge method when the galvanometer is adjusted until there is no difference in G the bridge is said to be:

Question 55 of 117

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

Question 56 of 117

57. Give the name of conductors which obey Ohms Law

Question 57 of 117

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

Question 58 of 117

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

Question 59 of 117

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

Question 60 of 117

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

Question 61 of 117

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

Question 62 of 117

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

Question 63 of 117

64. 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 64 of 117

65. Ohms Law explains about the relationship between:

Question 65 of 117

66. 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 66 of 117

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

Question 67 of 117

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

Question 68 of 117

69. Mention the SI UNIT of resistance

Question 69 of 117

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

Question 70 of 117

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

Question 71 of 117

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

Question 72 of 117

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

Question 73 of 117

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

Question 74 of 117

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

Question 75 of 117

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

Question 76 of 117

77. Ohms Law explains about the relationship between:

Question 77 of 117

78. Which formula best describes Ohms Law ?

Question 78 of 117

79. Which formula best describes Ohms Law ?

Question 79 of 117

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

Question 80 of 117

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

Question 81 of 117

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

Question 82 of 117

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

Question 83 of 117

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

Question 84 of 117

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

Question 85 of 117

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

Question 86 of 117

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

Question 87 of 117

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

Question 88 of 117

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

Question 89 of 117

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

Question 90 of 117

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

Question 91 of 117

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

Question 92 of 117

93. State Ohms law

Question 93 of 117

94. Ohms Law explains about the relationship between:

Question 94 of 117

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

Question 95 of 117

96. Mention the SI UNIT of resistance

Question 96 of 117

97. 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 97 of 117

98. Give the name of conductors which obey Ohms Law

Question 98 of 117

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

Question 99 of 117

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

Question 100 of 117

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

Question 101 of 117

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

Question 102 of 117

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

Question 103 of 117

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

Question 104 of 117

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

Question 105 of 117

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

Question 106 of 117

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

Question 107 of 117

108. Name the instrument used to measure electrical resistance?

Question 108 of 117

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

Question 109 of 117

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

Question 110 of 117

111. Mention the 3 types of resistors?

Question 111 of 117

112. Mention the 3 types of resistors?

Question 112 of 117

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

Question 113 of 117

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

Question 114 of 117

115. Mention the 3 types of resistors?

Question 115 of 117

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

Question 116 of 117

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

Question 117 of 117