Current Electricity

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

Question 1 of 117

2. Ohms Law explains about the relationship between:

Question 2 of 117

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

Question 3 of 117

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

Question 4 of 117

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

Question 5 of 117

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

Question 6 of 117

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

Question 7 of 117

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

Question 8 of 117

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

Question 9 of 117

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

Question 10 of 117

11. Ohms Law explains about the relationship between:

Question 11 of 117

12. Mention the SI UNIT of resistance

Question 12 of 117

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

Question 13 of 117

14. Give the name of conductors which obey Ohms Law

Question 14 of 117

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

Question 15 of 117

16. Mention the 3 types of resistors?

Question 16 of 117

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

Question 17 of 117

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

Question 18 of 117

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

Question 19 of 117

20. State Ohms law

Question 20 of 117

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

Question 21 of 117

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

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

Question 24 of 117

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

Question 25 of 117

26. 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 26 of 117

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

Question 27 of 117

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

Question 28 of 117

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

Question 29 of 117

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

Question 30 of 117

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

Question 31 of 117

32. Mention the 3 types of resistors?

Question 32 of 117

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

Question 33 of 117

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

Question 34 of 117

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

Question 35 of 117

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

Question 36 of 117

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

Question 37 of 117

38. Give the name of conductors which obey Ohms Law

Question 38 of 117

39. Name the instrument used to measure electrical resistance?

Question 39 of 117

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

Question 40 of 117

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

Question 41 of 117

42. Mention the 3 types of resistors?

Question 42 of 117

43. 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 43 of 117

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

Question 44 of 117

45. Name the instrument used to measure electrical resistance?

Question 45 of 117

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

Question 46 of 117

47. 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 47 of 117

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

Question 48 of 117

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

Question 49 of 117

50. 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 50 of 117

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

Question 51 of 117

52. Which formula best describes Ohms Law ?

Question 52 of 117

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

Question 53 of 117

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

Question 54 of 117

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

Question 55 of 117

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

Question 56 of 117

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

Question 57 of 117

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

Question 58 of 117

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

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. Which formula best describes Ohms Law ?

Question 61 of 117

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

Question 62 of 117

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

Question 63 of 117

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

Question 64 of 117

65. Mention the SI UNIT of resistance

Question 65 of 117

66. Mention the SI UNIT of resistance

Question 66 of 117

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

Question 67 of 117

68. State Ohms law

Question 68 of 117

69. State Ohms law

Question 69 of 117

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

Question 70 of 117

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

Question 71 of 117

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

Question 72 of 117

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

Question 73 of 117

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

Question 74 of 117

75. Name the instrument used to measure electrical resistance?

Question 75 of 117

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

Question 76 of 117

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

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

Question 79 of 117

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

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

Question 82 of 117

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

Question 83 of 117

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

Question 84 of 117

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

Question 85 of 117

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

Question 86 of 117

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

Question 87 of 117

88. 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 88 of 117

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

Question 89 of 117

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

Question 90 of 117

91. Give the name of conductors which obey Ohms Law

Question 91 of 117

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

Question 92 of 117

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

Question 93 of 117

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

Question 94 of 117

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

Question 95 of 117

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

Question 96 of 117

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

Question 97 of 117

98. 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 98 of 117

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

Question 99 of 117

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

Question 100 of 117

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

Question 101 of 117

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

Question 102 of 117

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

Question 103 of 117

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

Question 104 of 117

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

Question 105 of 117

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

Question 106 of 117

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

Question 107 of 117

108. Ohms Law explains about the relationship between:

Question 108 of 117

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

Question 109 of 117

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

Question 110 of 117

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

Question 111 of 117

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

Question 112 of 117

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

Question 113 of 117

114. 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 114 of 117

115. Which formula best describes Ohms Law ?

Question 115 of 117

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

Question 116 of 117

117. 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 117 of 117