Current Electricity

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

Question 1 of 117

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

Question 2 of 117

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

Question 3 of 117

4. 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 4 of 117

5. 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 5 of 117

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

Question 6 of 117

7. Mention the SI UNIT of resistance

Question 7 of 117

8. Mention the 3 types of resistors?

Question 8 of 117

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

Question 9 of 117

10. Give the name of conductors which obey Ohms Law

Question 10 of 117

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

Question 11 of 117

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

Question 12 of 117

13. Ohms Law explains about the relationship between:

Question 13 of 117

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

Question 14 of 117

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

Question 15 of 117

16. State Ohms law

Question 16 of 117

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

Question 17 of 117

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

Question 18 of 117

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

Question 19 of 117

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

Question 20 of 117

21. 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 21 of 117

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

Question 22 of 117

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

Question 23 of 117

24. 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 24 of 117

25. Name the instrument used to measure electrical resistance?

Question 25 of 117

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

Question 26 of 117

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

Question 27 of 117

28. Ohms Law explains about the relationship between:

Question 28 of 117

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

Question 29 of 117

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

Question 30 of 117

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

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. Which formula best describes Ohms Law ?

Question 33 of 117

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

Question 34 of 117

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

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

Question 37 of 117

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

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

Question 40 of 117

41. State Ohms law

Question 41 of 117

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

Question 42 of 117

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

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

Question 46 of 117

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

Question 47 of 117

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

Question 48 of 117

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

Question 49 of 117

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

Question 50 of 117

51. Mention the SI UNIT of resistance

Question 51 of 117

52. Mention the 3 types of resistors?

Question 52 of 117

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

Question 53 of 117

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

Question 54 of 117

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

Question 55 of 117

56. Give the name of conductors which obey Ohms Law

Question 56 of 117

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

Question 57 of 117

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

Question 58 of 117

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

Question 59 of 117

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

Question 60 of 117

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

Question 61 of 117

62. 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 62 of 117

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

Question 63 of 117

64. Name the instrument used to measure electrical resistance?

Question 64 of 117

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

Question 65 of 117

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

Question 66 of 117

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

Question 67 of 117

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

Question 68 of 117

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

Question 69 of 117

70. Ohms Law explains about the relationship between:

Question 70 of 117

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

Question 71 of 117

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

Question 72 of 117

73. Give the name of conductors which obey Ohms Law

Question 73 of 117

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

Question 74 of 117

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

Question 75 of 117

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

Question 76 of 117

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

Question 77 of 117

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

Question 78 of 117

79. Which formula best describes Ohms Law ?

Question 79 of 117

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

Question 80 of 117

81. 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 81 of 117

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

Question 82 of 117

83. Mention the SI UNIT of resistance

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

Question 85 of 117

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

Question 86 of 117

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

Question 87 of 117

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

Question 88 of 117

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

Question 89 of 117

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

Question 90 of 117

91. 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 91 of 117

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

Question 92 of 117

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

Question 93 of 117

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

Question 94 of 117

95. Which formula best describes Ohms Law ?

Question 95 of 117

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

Question 96 of 117

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

Question 97 of 117

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

Question 98 of 117

99. State Ohms law

Question 99 of 117

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

Question 100 of 117

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

Question 101 of 117

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

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

Question 104 of 117

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

Question 105 of 117

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

Question 106 of 117

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

Question 107 of 117

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

Question 108 of 117

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

Question 109 of 117

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

Question 110 of 117

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

Question 111 of 117

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

Question 112 of 117

113. Name the instrument used to measure electrical resistance?

Question 113 of 117

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

Question 114 of 117

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

Question 115 of 117

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

Question 116 of 117

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

Question 117 of 117