Current Electricity

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

Question 1 of 117

2. Ohms Law explains about the relationship between:

Question 2 of 117

3. State Ohms law

Question 3 of 117

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

Question 4 of 117

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

Question 5 of 117

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

Question 6 of 117

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

Question 7 of 117

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

Question 8 of 117

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

Question 9 of 117

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

Question 10 of 117

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

Question 11 of 117

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

Question 12 of 117

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

Question 13 of 117

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

Question 14 of 117

15. 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 15 of 117

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

Question 16 of 117

17. 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 17 of 117

18. 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 18 of 117

19. Give the name of conductors which obey Ohms Law

Question 19 of 117

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

Question 20 of 117

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

Question 21 of 117

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

Question 22 of 117

23. 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 23 of 117

24. Ohms Law explains about the relationship between:

Question 24 of 117

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

Question 25 of 117

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

Question 26 of 117

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

Question 27 of 117

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

Question 28 of 117

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

Question 29 of 117

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

Question 30 of 117

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

Question 31 of 117

32. 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 32 of 117

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

Question 33 of 117

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

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

Question 36 of 117

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

Question 37 of 117

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

Question 38 of 117

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

Question 39 of 117

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

Question 40 of 117

41. Name the instrument used to measure electrical resistance?

Question 41 of 117

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

Question 42 of 117

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

Question 43 of 117

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

Question 44 of 117

45. Ohms Law explains about the relationship between:

Question 45 of 117

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

Question 46 of 117

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

Question 47 of 117

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

Question 48 of 117

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

Question 49 of 117

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

Question 50 of 117

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

Question 51 of 117

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

Question 52 of 117

53. Which formula best describes Ohms Law ?

Question 53 of 117

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

Question 54 of 117

55. Mention the SI UNIT of resistance

Question 55 of 117

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

Question 56 of 117

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

Question 57 of 117

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

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. 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 60 of 117

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

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

Question 63 of 117

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

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

Question 66 of 117

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

Question 67 of 117

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

Question 68 of 117

69. Which formula best describes Ohms Law ?

Question 69 of 117

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

Question 70 of 117

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

Question 71 of 117

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

Question 72 of 117

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

Question 73 of 117

74. 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 74 of 117

75. Mention the 3 types of resistors?

Question 75 of 117

76. Name the instrument used to measure electrical resistance?

Question 76 of 117

77. Mention the 3 types of resistors?

Question 77 of 117

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

Question 78 of 117

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

Question 79 of 117

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

Question 80 of 117

81. Name the instrument used to measure electrical resistance?

Question 81 of 117

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

Question 82 of 117

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

Question 83 of 117

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

Question 84 of 117

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

Question 85 of 117

86. State Ohms law

Question 86 of 117

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

Question 87 of 117

88. Give the name of conductors which obey Ohms Law

Question 88 of 117

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

Question 89 of 117

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

Question 90 of 117

91. Mention the SI UNIT of resistance

Question 91 of 117

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

Question 92 of 117

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

Question 93 of 117

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

Question 94 of 117

95. Which formula best describes Ohms Law ?

Question 95 of 117

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

Question 96 of 117

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

Question 97 of 117

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

Question 98 of 117

99. Mention the SI UNIT of resistance

Question 99 of 117

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

Question 100 of 117

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

Question 101 of 117

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

Question 102 of 117

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

Question 103 of 117

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

Question 104 of 117

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

Question 105 of 117

106. Mention the 3 types of resistors?

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

Question 108 of 117

109. 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 109 of 117

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

Question 110 of 117

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

Question 111 of 117

112. Give the name of conductors which obey Ohms Law

Question 112 of 117

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

Question 113 of 117

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

Question 114 of 117

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

Question 115 of 117

116. State Ohms law

Question 116 of 117

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

Question 117 of 117