Current Electricity

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

Question 1 of 117

2. Mention the SI UNIT of resistance

Question 2 of 117

3. 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 3 of 117

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

Question 4 of 117

5. 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 5 of 117

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

Question 6 of 117

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

Question 7 of 117

8. Give the name of conductors which obey Ohms Law

Question 8 of 117

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

Question 9 of 117

10. 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 10 of 117

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

Question 11 of 117

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

Question 12 of 117

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

Question 13 of 117

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

Question 14 of 117

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

Question 15 of 117

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

Question 16 of 117

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

Question 17 of 117

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

Question 18 of 117

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

Question 19 of 117

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

Question 20 of 117

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

Question 21 of 117

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

Question 22 of 117

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

Question 23 of 117

24. 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 24 of 117

25. Ohms Law explains about the relationship between:

Question 25 of 117

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

Question 26 of 117

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

Question 27 of 117

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

Question 28 of 117

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

Question 29 of 117

30. Give the name of conductors which obey Ohms Law

Question 30 of 117

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

Question 31 of 117

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

Question 32 of 117

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

Question 33 of 117

34. Which formula best describes Ohms Law ?

Question 34 of 117

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

Question 35 of 117

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

Question 36 of 117

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

Question 37 of 117

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

Question 38 of 117

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

Question 39 of 117

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

Question 40 of 117

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

Question 41 of 117

42. Name the instrument used to measure electrical resistance?

Question 42 of 117

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

Question 43 of 117

44. Which formula best describes Ohms Law ?

Question 44 of 117

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

Question 45 of 117

46. Mention the 3 types of resistors?

Question 46 of 117

47. Name the instrument used to measure electrical resistance?

Question 47 of 117

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

Question 48 of 117

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

Question 49 of 117

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

Question 50 of 117

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

Question 51 of 117

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

Question 52 of 117

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

Question 53 of 117

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

Question 54 of 117

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

Question 55 of 117

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

Question 56 of 117

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

Question 57 of 117

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

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

Question 60 of 117

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

Question 61 of 117

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

Question 62 of 117

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

Question 63 of 117

64. State Ohms law

Question 64 of 117

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

Question 65 of 117

66. Ohms Law explains about the relationship between:

Question 66 of 117

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

Question 67 of 117

68. Give the name of conductors which obey Ohms Law

Question 68 of 117

69. Name the instrument used to measure electrical resistance?

Question 69 of 117

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

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 of the resistor that gives a fixed amount of resistance?

Question 72 of 117

73. 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 73 of 117

74. Mention the 3 types of resistors?

Question 74 of 117

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

Question 75 of 117

76. Which formula best describes Ohms Law ?

Question 76 of 117

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

Question 77 of 117

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

Question 78 of 117

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

Question 79 of 117

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

Question 80 of 117

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

Question 81 of 117

82. 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 82 of 117

83. State Ohms law

Question 83 of 117

84. 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 84 of 117

85. Mention the 3 types of resistors?

Question 85 of 117

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

Question 86 of 117

87. State Ohms law

Question 87 of 117

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

Question 88 of 117

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

Question 89 of 117

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

Question 90 of 117

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

Question 91 of 117

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

Question 92 of 117

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

Question 93 of 117

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

Question 94 of 117

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

Question 95 of 117

96. 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 96 of 117

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

Question 97 of 117

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

Question 98 of 117

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

Question 99 of 117

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

Question 100 of 117

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

Question 101 of 117

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

Question 102 of 117

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

Question 103 of 117

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

Question 104 of 117

105. Ohms Law explains about the relationship between:

Question 105 of 117

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

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. Mention the SI UNIT of resistance

Question 108 of 117

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

Question 109 of 117

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

Question 110 of 117

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

Question 111 of 117

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

Question 112 of 117

113. Mention the SI UNIT of resistance

Question 113 of 117

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

Question 114 of 117

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

Question 115 of 117

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

Question 116 of 117

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

Question 117 of 117