Current Electricity

1. Which formula best describes Ohms Law ?

Question 1 of 117

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

Question 2 of 117

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

Question 3 of 117

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

Question 7 of 117

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

Question 8 of 117

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

Question 9 of 117

10. 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 10 of 117

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

Question 11 of 117

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

Question 12 of 117

13. Name the instrument used to measure electrical resistance?

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. Give the name of conductors which obey Ohms Law

Question 15 of 117

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

Question 16 of 117

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

Question 17 of 117

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

Question 18 of 117

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

Question 19 of 117

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

Question 20 of 117

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

Question 21 of 117

22. State Ohms law

Question 22 of 117

23. Ohms Law explains about the relationship between:

Question 23 of 117

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

Question 24 of 117

25. Mention the SI UNIT of resistance

Question 25 of 117

26. Which formula best describes Ohms Law ?

Question 26 of 117

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

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

Question 29 of 117

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

Question 30 of 117

31. 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 31 of 117

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

Question 32 of 117

33. Give the name of conductors which obey Ohms Law

Question 33 of 117

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

Question 34 of 117

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

Question 35 of 117

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

Question 36 of 117

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

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

Question 39 of 117

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

Question 40 of 117

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

Question 41 of 117

42. Mention the SI UNIT of resistance

Question 42 of 117

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

Question 43 of 117

44. State Ohms law

Question 44 of 117

45. 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 45 of 117

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

Question 46 of 117

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

Question 47 of 117

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

Question 48 of 117

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

Question 49 of 117

50. Name the instrument used to measure electrical resistance?

Question 50 of 117

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

Question 51 of 117

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

Question 52 of 117

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

Question 53 of 117

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

Question 54 of 117

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

Question 55 of 117

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

Question 56 of 117

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

Question 57 of 117

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

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 an example of Non-linear resistor?

Question 60 of 117

61. 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 61 of 117

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

Question 62 of 117

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

Question 63 of 117

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

Question 64 of 117

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

Question 65 of 117

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

Question 66 of 117

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

Question 67 of 117

68. State Ohms law

Question 68 of 117

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

Question 69 of 117

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

Question 70 of 117

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

Question 71 of 117

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

Question 72 of 117

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

Question 73 of 117

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

Question 74 of 117

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

Question 75 of 117

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

Question 76 of 117

77. Mention the 3 types of resistors?

Question 77 of 117

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

Question 78 of 117

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

Question 79 of 117

80. Name the instrument used to measure electrical resistance?

Question 80 of 117

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

Question 81 of 117

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

Question 82 of 117

83. Give the name of conductors which obey Ohms Law

Question 83 of 117

84. Mention the 3 types of resistors?

Question 84 of 117

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

Question 85 of 117

86. 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 86 of 117

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

Question 87 of 117

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

Question 88 of 117

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

Question 89 of 117

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

Question 90 of 117

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

Question 91 of 117

92. Which formula best describes Ohms Law ?

Question 92 of 117

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

Question 93 of 117

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

Question 94 of 117

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

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. CURRENT = E.M.F /TOTAL RESISTANCE

Question 97 of 117

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

Question 98 of 117

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

Question 99 of 117

100. 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 100 of 117

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

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

Question 103 of 117

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

Question 104 of 117

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

Question 105 of 117

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

Question 106 of 117

107. Mention the SI UNIT of resistance

Question 107 of 117

108. Ohms Law explains about the relationship between:

Question 108 of 117

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

Question 109 of 117

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

Question 110 of 117

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

Question 111 of 117

112. Ohms Law explains about the relationship between:

Question 112 of 117

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

Question 113 of 117

114. Mention the 3 types of resistors?

Question 114 of 117

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

Question 115 of 117

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

Question 116 of 117

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

Question 117 of 117