Current Electricity

1. Mention the 3 types of resistors?

Question 1 of 117

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

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

Question 4 of 117

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

Question 5 of 117

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

Question 6 of 117

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

Question 7 of 117

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

Question 8 of 117

9. 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 9 of 117

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

Question 10 of 117

11. Give the name of conductors which obey Ohms Law

Question 11 of 117

12. Name the instrument used to measure electrical resistance?

Question 12 of 117

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

Question 13 of 117

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

Question 14 of 117

15. Mention the SI UNIT of resistance

Question 15 of 117

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

Question 16 of 117

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

Question 17 of 117

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

Question 18 of 117

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

Question 19 of 117

20. 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 20 of 117

21. State Ohms law

Question 21 of 117

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

Question 22 of 117

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

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. Mention the 3 types of resistors?

Question 25 of 117

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

Question 26 of 117

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

Question 27 of 117

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

Question 28 of 117

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

Question 29 of 117

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

Question 30 of 117

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

Question 31 of 117

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

Question 32 of 117

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

Question 33 of 117

34. Which formula best describes Ohms Law ?

Question 34 of 117

35. State Ohms law

Question 35 of 117

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

Question 36 of 117

37. Ohms Law explains about the relationship between:

Question 37 of 117

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

Question 38 of 117

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

Question 39 of 117

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

Question 40 of 117

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

Question 43 of 117

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

Question 44 of 117

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

Question 45 of 117

46. Which formula best describes Ohms Law ?

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

Question 48 of 117

49. Resistors can be connected in 3 types of connections 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. Metals have a constant resistance with current flow. They are said to be:

Question 51 of 117

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

Question 52 of 117

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

Question 53 of 117

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

Question 54 of 117

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

Question 55 of 117

56. Which formula best describes Ohms Law ?

Question 56 of 117

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

Question 57 of 117

58. Mention the SI UNIT of resistance

Question 58 of 117

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

Question 59 of 117

60. Name the instrument used to measure electrical resistance?

Question 60 of 117

61. 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 61 of 117

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

Question 62 of 117

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

Question 63 of 117

64. Give the name of conductors which obey Ohms Law

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. 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 66 of 117

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

Question 67 of 117

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

Question 68 of 117

69. Give the name of conductors which obey Ohms Law

Question 69 of 117

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

Question 70 of 117

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

Question 71 of 117

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

Question 72 of 117

73. 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 73 of 117

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

Question 74 of 117

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

Question 75 of 117

76. Mention the SI UNIT of resistance

Question 76 of 117

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

Question 77 of 117

78. Mention the 3 types of resistors?

Question 78 of 117

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

Question 79 of 117

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

Question 80 of 117

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

Question 81 of 117

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

Question 82 of 117

83. Name the instrument used to measure electrical resistance?

Question 83 of 117

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

Question 84 of 117

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

Question 85 of 117

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

Question 86 of 117

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

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. State Ohms law

Question 89 of 117

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

Question 90 of 117

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

Question 91 of 117

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

Question 92 of 117

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

Question 93 of 117

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

Question 94 of 117

95. Ohms Law explains about the relationship between:

Question 95 of 117

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

Question 96 of 117

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

Question 97 of 117

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

Question 98 of 117

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

Question 99 of 117

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

Question 100 of 117

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

Question 101 of 117

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

Question 102 of 117

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

Question 103 of 117

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

Question 104 of 117

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

Question 105 of 117

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

Question 106 of 117

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

Question 107 of 117

108. 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 108 of 117

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

Question 109 of 117

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

Question 110 of 117

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

Question 111 of 117

112. Ohms Law explains about the relationship between:

Question 112 of 117

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

Question 113 of 117

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

Question 114 of 117

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

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

Question 117 of 117