Current Electricity

1. Name the instrument used to measure electrical resistance?

Question 1 of 117

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

Question 2 of 117

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

Question 3 of 117

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

Question 4 of 117

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

Question 5 of 117

6. Which formula best describes Ohms Law ?

Question 6 of 117

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

Question 7 of 117

8. Mention the 3 types of resistors?

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

Question 10 of 117

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

Question 11 of 117

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

Question 12 of 117

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

Question 13 of 117

14. 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 14 of 117

15. Mention the SI UNIT of resistance

Question 15 of 117

16. 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 16 of 117

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

Question 17 of 117

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

Question 18 of 117

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

Question 19 of 117

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

Question 20 of 117

21. 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 21 of 117

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

Question 22 of 117

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

Question 23 of 117

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

Question 24 of 117

25. State Ohms law

Question 25 of 117

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

Question 26 of 117

27. Name the instrument used to measure electrical resistance?

Question 27 of 117

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

Question 28 of 117

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

Question 29 of 117

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

Question 30 of 117

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

Question 31 of 117

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

Question 32 of 117

33. Give the name of conductors which obey Ohms Law

Question 33 of 117

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

Question 34 of 117

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

Question 35 of 117

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

Question 36 of 117

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

Question 37 of 117

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

Question 38 of 117

39. Which formula best describes Ohms Law ?

Question 39 of 117

40. Give the name of conductors which obey Ohms Law

Question 40 of 117

41. 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 41 of 117

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

Question 42 of 117

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

Question 43 of 117

44. State Ohms law

Question 44 of 117

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

Question 45 of 117

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

Question 46 of 117

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

Question 47 of 117

48. Mention the SI UNIT of resistance

Question 48 of 117

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

Question 49 of 117

50. Give the name of conductors which obey Ohms Law

Question 50 of 117

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

Question 51 of 117

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

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

Question 54 of 117

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

Question 55 of 117

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

Question 56 of 117

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

Question 57 of 117

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

Question 58 of 117

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

Question 59 of 117

60. Mention the 3 types of resistors?

Question 60 of 117

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

Question 61 of 117

62. 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 62 of 117

63. State Ohms law

Question 63 of 117

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

Question 64 of 117

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

Question 65 of 117

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

Question 66 of 117

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

Question 67 of 117

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

Question 68 of 117

69. Which formula best describes Ohms Law ?

Question 69 of 117

70. 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 70 of 117

71. 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 71 of 117

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

Question 72 of 117

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

Question 73 of 117

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

Question 74 of 117

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

Question 75 of 117

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

Question 76 of 117

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

Question 77 of 117

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

Question 78 of 117

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

Question 79 of 117

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

Question 80 of 117

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

Question 81 of 117

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

Question 82 of 117

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

Question 83 of 117

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

Question 84 of 117

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

Question 85 of 117

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

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

Question 88 of 117

89. Name the instrument used to measure electrical resistance?

Question 89 of 117

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

Question 90 of 117

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

Question 91 of 117

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

Question 92 of 117

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

Question 93 of 117

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

Question 94 of 117

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

Question 95 of 117

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

Question 96 of 117

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

Question 97 of 117

98. Ohms Law explains about the relationship between:

Question 98 of 117

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

Question 99 of 117

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

Question 100 of 117

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

Question 101 of 117

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

Question 102 of 117

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

Question 103 of 117

104. Mention the 3 types of resistors?

Question 104 of 117

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

Question 105 of 117

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

Question 108 of 117

109. Mention the SI UNIT of resistance

Question 109 of 117

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

Question 110 of 117

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

Question 111 of 117

112. Ohms Law explains about the relationship between:

Question 112 of 117

113. Ohms Law explains about the relationship between:

Question 113 of 117

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

Question 114 of 117

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

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

Question 117 of 117