Current Electricity

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

Question 1 of 117

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

Question 2 of 117

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

Question 3 of 117

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

Question 4 of 117

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

Question 5 of 117

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

Question 6 of 117

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

Question 7 of 117

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

Question 8 of 117

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

Question 9 of 117

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

Question 10 of 117

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

Question 11 of 117

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

Question 12 of 117

13. Which formula best describes Ohms Law ?

Question 13 of 117

14. 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 14 of 117

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

Question 15 of 117

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

Question 16 of 117

17. Ohms Law explains about the relationship between:

Question 17 of 117

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

Question 18 of 117

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

Question 19 of 117

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

Question 20 of 117

21. 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 21 of 117

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

Question 22 of 117

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

Question 23 of 117

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

Question 24 of 117

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

Question 25 of 117

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

Question 26 of 117

27. Which formula best describes Ohms Law ?

Question 27 of 117

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

Question 28 of 117

29. State Ohms law

Question 29 of 117

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

Question 30 of 117

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

Question 31 of 117

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

Question 34 of 117

35. Which formula best describes Ohms Law ?

Question 35 of 117

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

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

Question 38 of 117

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

Question 39 of 117

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

Question 40 of 117

41. Give the name of conductors which obey Ohms Law

Question 41 of 117

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

Question 42 of 117

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

Question 43 of 117

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

Question 44 of 117

45. Mention the 3 types of resistors?

Question 45 of 117

46. Ohms Law explains about the relationship between:

Question 46 of 117

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

Question 47 of 117

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

Question 48 of 117

49. Give the name of conductors which obey Ohms Law

Question 49 of 117

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

Question 50 of 117

51. Ohms Law explains about the relationship between:

Question 51 of 117

52. Name the instrument used to measure electrical resistance?

Question 52 of 117

53. 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 53 of 117

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

Question 54 of 117

55. Name the instrument used to measure electrical resistance?

Question 55 of 117

56. 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 56 of 117

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

Question 57 of 117

58. 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 58 of 117

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

Question 59 of 117

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

Question 60 of 117

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

Question 61 of 117

62. State Ohms law

Question 62 of 117

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

Question 63 of 117

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

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. Mention the 3 types of resistors?

Question 66 of 117

67. 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 67 of 117

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

Question 68 of 117

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

Question 69 of 117

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

Question 70 of 117

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

Question 71 of 117

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

Question 72 of 117

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

Question 73 of 117

74. Name the instrument used to measure electrical resistance?

Question 74 of 117

75. 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 75 of 117

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

Question 76 of 117

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

Question 77 of 117

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

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

Question 80 of 117

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

Question 81 of 117

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

Question 82 of 117

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

Question 83 of 117

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

Question 84 of 117

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

Question 85 of 117

86. State Ohms law

Question 86 of 117

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

Question 87 of 117

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

Question 88 of 117

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

Question 89 of 117

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

Question 90 of 117

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

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

Question 93 of 117

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

Question 94 of 117

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

Question 95 of 117

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

Question 96 of 117

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

Question 97 of 117

98. Mention the SI UNIT of resistance

Question 98 of 117

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

Question 99 of 117

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

Question 100 of 117

101. 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 101 of 117

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

Question 102 of 117

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

Question 103 of 117

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

Question 104 of 117

105. Mention the 3 types of resistors?

Question 105 of 117

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

Question 106 of 117

107. Mention the SI UNIT of resistance

Question 107 of 117

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

Question 108 of 117

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

Question 109 of 117

110. Mention the SI UNIT of resistance

Question 110 of 117

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

Question 111 of 117

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

Question 112 of 117

113. Give the name of conductors which obey Ohms Law

Question 113 of 117

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

Question 114 of 117

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

Question 115 of 117

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

Question 116 of 117

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

Question 117 of 117