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. Which formula best describes Ohms Law ?

Question 3 of 117

4. State Ohms law

Question 4 of 117

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

Question 5 of 117

6. State Ohms law

Question 6 of 117

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

Question 7 of 117

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

Question 8 of 117

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

Question 9 of 117

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

Question 10 of 117

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

Question 11 of 117

12. Ohms Law explains about the relationship between:

Question 12 of 117

13. Name the instrument used to measure electrical resistance?

Question 13 of 117

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

Question 14 of 117

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

Question 15 of 117

16. Which formula best describes Ohms Law ?

Question 16 of 117

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

Question 17 of 117

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

Question 18 of 117

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

Question 19 of 117

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

Question 20 of 117

21. Which formula best describes Ohms Law ?

Question 21 of 117

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

Question 22 of 117

23. Mention the 3 types of resistors?

Question 23 of 117

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

Question 24 of 117

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

Question 25 of 117

26. Give the name of conductors which obey Ohms Law

Question 26 of 117

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

Question 27 of 117

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

Question 28 of 117

29. 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 29 of 117

30. Mention the SI UNIT of resistance

Question 30 of 117

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

Question 31 of 117

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

Question 32 of 117

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

Question 33 of 117

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

Question 34 of 117

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

Question 35 of 117

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

Question 36 of 117

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

Question 37 of 117

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

Question 38 of 117

39. 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 39 of 117

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

Question 40 of 117

41. Mention the SI UNIT of resistance

Question 41 of 117

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

Question 42 of 117

43. State Ohms law

Question 43 of 117

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

Question 44 of 117

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

Question 45 of 117

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

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

Question 48 of 117

49. 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 49 of 117

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

Question 50 of 117

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

Question 51 of 117

52. Name the instrument used to measure electrical resistance?

Question 52 of 117

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

Question 53 of 117

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

Question 54 of 117

55. 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 55 of 117

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

Question 56 of 117

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

Question 57 of 117

58. 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 58 of 117

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

Question 59 of 117

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

Question 60 of 117

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

Question 61 of 117

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

Question 62 of 117

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

Question 63 of 117

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

Question 64 of 117

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

Question 65 of 117

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

Question 66 of 117

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

Question 67 of 117

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

Question 68 of 117

69. Give the name of conductors which obey Ohms Law

Question 69 of 117

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

Question 70 of 117

71. 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 71 of 117

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

Question 72 of 117

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

Question 73 of 117

74. Mention the 3 types of resistors?

Question 74 of 117

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

Question 75 of 117

76. Ohms Law explains about the relationship between:

Question 76 of 117

77. Mention the 3 types of resistors?

Question 77 of 117

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

Question 78 of 117

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

Question 79 of 117

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

Question 80 of 117

81. Ohms Law explains about the relationship between:

Question 81 of 117

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

Question 82 of 117

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

Question 83 of 117

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

Question 84 of 117

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

Question 85 of 117

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

Question 86 of 117

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

Question 87 of 117

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

Question 88 of 117

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

Question 89 of 117

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

Question 90 of 117

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

Question 91 of 117

92. 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 92 of 117

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

Question 93 of 117

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

Question 94 of 117

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

Question 95 of 117

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

Question 96 of 117

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

Question 97 of 117

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

Question 98 of 117

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

Question 99 of 117

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

Question 100 of 117

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

Question 101 of 117

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

Question 102 of 117

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

Question 103 of 117

104. Mention the SI UNIT of resistance

Question 104 of 117

105. Name the instrument used to measure electrical resistance?

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. 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 107 of 117

108. 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 108 of 117

109. Give the name of conductors which obey Ohms Law

Question 109 of 117

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

Question 110 of 117

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

Question 111 of 117

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

Question 112 of 117

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

Question 113 of 117

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

Question 114 of 117

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

Question 115 of 117

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

Question 116 of 117

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

Question 117 of 117