Current Electricity

1. Mention the SI UNIT of resistance

Question 1 of 117

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

Question 2 of 117

3. Mention the 3 types of resistors?

Question 3 of 117

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

Question 4 of 117

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

Question 5 of 117

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

Question 6 of 117

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

Question 7 of 117

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

Question 8 of 117

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

Question 9 of 117

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

Question 10 of 117

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

Question 11 of 117

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

Question 12 of 117

13. Mention the SI UNIT of resistance

Question 13 of 117

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

Question 14 of 117

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

Question 15 of 117

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

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

Question 19 of 117

20. 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 20 of 117

21. Mention the 3 types of resistors?

Question 21 of 117

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

Question 22 of 117

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

Question 23 of 117

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

Question 24 of 117

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

Question 25 of 117

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

Question 26 of 117

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

Question 27 of 117

28. Give the name of conductors which obey Ohms Law

Question 28 of 117

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

Question 29 of 117

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

Question 30 of 117

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

Question 31 of 117

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

Question 32 of 117

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

Question 33 of 117

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

Question 34 of 117

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

Question 35 of 117

36. Mention the SI UNIT of resistance

Question 36 of 117

37. Which formula best describes Ohms Law ?

Question 37 of 117

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

Question 38 of 117

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

Question 39 of 117

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

Question 40 of 117

41. 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 41 of 117

42. Which formula best describes Ohms Law ?

Question 42 of 117

43. State Ohms law

Question 43 of 117

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

Question 44 of 117

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

Question 45 of 117

46. 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 46 of 117

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

Question 47 of 117

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

Question 48 of 117

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

Question 49 of 117

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

Question 50 of 117

51. Name the instrument used to measure electrical resistance?

Question 51 of 117

52. Name the instrument used to measure electrical resistance?

Question 52 of 117

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

Question 53 of 117

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

Question 54 of 117

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

Question 55 of 117

56. State Ohms law

Question 56 of 117

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

Question 57 of 117

58. 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 58 of 117

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

Question 59 of 117

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

Question 60 of 117

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

Question 61 of 117

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

Question 62 of 117

63. Ohms Law explains about the relationship between:

Question 63 of 117

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

Question 64 of 117

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

Question 65 of 117

66. Mention the 3 types of resistors?

Question 66 of 117

67. Give the name of conductors which obey Ohms Law

Question 67 of 117

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

Question 68 of 117

69. Ohms Law explains about the relationship between:

Question 69 of 117

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

Question 70 of 117

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

Question 71 of 117

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

Question 72 of 117

73. 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 73 of 117

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

Question 74 of 117

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

Question 75 of 117

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

Question 76 of 117

77. 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 77 of 117

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

Question 78 of 117

79. Name the instrument used to measure electrical resistance?

Question 79 of 117

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

Question 80 of 117

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

Question 81 of 117

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

Question 82 of 117

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

Question 85 of 117

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

Question 86 of 117

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

Question 87 of 117

88. Give the name of conductors which obey Ohms Law

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

Question 90 of 117

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

Question 91 of 117

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

Question 92 of 117

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

Question 93 of 117

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

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

Question 97 of 117

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

Question 98 of 117

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

Question 99 of 117

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

Question 100 of 117

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

Question 101 of 117

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

Question 102 of 117

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

Question 103 of 117

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

Question 104 of 117

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

Question 105 of 117

106. 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 106 of 117

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

Question 107 of 117

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

Question 108 of 117

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

Question 109 of 117

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

Question 110 of 117

111. 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 111 of 117

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

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

Question 114 of 117

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

Question 115 of 117

116. State Ohms law

Question 116 of 117

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

Question 117 of 117