Current Electricity

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

Question 1 of 117

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

Question 2 of 117

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

Question 3 of 117

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

Question 4 of 117

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

Question 5 of 117

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

Question 6 of 117

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

Question 7 of 117

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

Question 8 of 117

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

Question 9 of 117

10. Which formula best describes Ohms Law ?

Question 10 of 117

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

Question 11 of 117

12. Mention the 3 types of resistors?

Question 12 of 117

13. Give the name of conductors which obey Ohms Law

Question 13 of 117

14. Name the instrument used to measure electrical resistance?

Question 14 of 117

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

Question 15 of 117

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

Question 16 of 117

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

Question 17 of 117

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

Question 18 of 117

19. Give the name of conductors which obey Ohms Law

Question 19 of 117

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

Question 20 of 117

21. Name the instrument used to measure electrical resistance?

Question 21 of 117

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

Question 22 of 117

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

Question 23 of 117

24. Give the name of conductors which obey Ohms Law

Question 24 of 117

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

Question 25 of 117

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

Question 26 of 117

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

Question 27 of 117

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

Question 28 of 117

29. Name the instrument used to measure electrical resistance?

Question 29 of 117

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

Question 30 of 117

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

Question 31 of 117

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

Question 32 of 117

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

Question 33 of 117

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

Question 34 of 117

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

Question 35 of 117

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

Question 36 of 117

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

Question 37 of 117

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

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

Question 40 of 117

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

Question 41 of 117

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

Question 42 of 117

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

Question 43 of 117

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

Question 44 of 117

45. Ohms Law explains about the relationship between:

Question 45 of 117

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

Question 46 of 117

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

Question 47 of 117

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

Question 48 of 117

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

Question 49 of 117

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

Question 50 of 117

51. Which formula best describes Ohms Law ?

Question 51 of 117

52. State Ohms law

Question 52 of 117

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

Question 53 of 117

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

Question 54 of 117

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

Question 55 of 117

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

Question 56 of 117

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

Question 57 of 117

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

Question 58 of 117

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

Question 59 of 117

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

Question 60 of 117

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

Question 61 of 117

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

Question 62 of 117

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

Question 63 of 117

64. Mention the 3 types of resistors?

Question 64 of 117

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

Question 65 of 117

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

Question 66 of 117

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

Question 67 of 117

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

Question 68 of 117

69. 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 69 of 117

70. State Ohms law

Question 70 of 117

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

Question 71 of 117

72. 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 72 of 117

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

Question 73 of 117

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

Question 74 of 117

75. Mention the SI UNIT of resistance

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

Question 78 of 117

79. 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 79 of 117

80. 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 80 of 117

81. Mention the SI UNIT of resistance

Question 81 of 117

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

Question 82 of 117

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

Question 83 of 117

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

Question 84 of 117

85. 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 85 of 117

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

Question 86 of 117

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

Question 89 of 117

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

Question 90 of 117

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

Question 91 of 117

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

Question 92 of 117

93. State Ohms law

Question 93 of 117

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

Question 94 of 117

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

Question 95 of 117

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

Question 96 of 117

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

Question 97 of 117

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

Question 98 of 117

99. Ohms Law explains about the relationship between:

Question 99 of 117

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

Question 100 of 117

101. Which formula best describes Ohms Law ?

Question 101 of 117

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

Question 102 of 117

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

Question 103 of 117

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

Question 104 of 117

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

Question 105 of 117

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

Question 106 of 117

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

Question 107 of 117

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

Question 108 of 117

109. 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 109 of 117

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

Question 110 of 117

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

Question 111 of 117

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

Question 112 of 117

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

Question 113 of 117

114. 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 114 of 117

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

Question 115 of 117

116. Mention the SI UNIT of resistance

Question 116 of 117

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

Question 117 of 117