Current Electricity

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

Question 1 of 117

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

Question 2 of 117

3. Ohms Law explains about the relationship between:

Question 3 of 117

4. State Ohms law

Question 4 of 117

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

Question 5 of 117

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

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

Question 9 of 117

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

Question 10 of 117

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

Question 11 of 117

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

Question 12 of 117

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

Question 13 of 117

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

Question 14 of 117

15. Which formula best describes Ohms Law ?

Question 15 of 117

16. Name the instrument used to measure electrical resistance?

Question 16 of 117

17. 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 17 of 117

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

Question 18 of 117

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

Question 19 of 117

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

Question 20 of 117

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

Question 21 of 117

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

Question 22 of 117

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

Question 23 of 117

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

Question 24 of 117

25. 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 25 of 117

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

Question 26 of 117

27. 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 27 of 117

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

Question 28 of 117

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

Question 29 of 117

30. Mention the 3 types of resistors?

Question 30 of 117

31. Give the name of conductors which obey Ohms Law

Question 31 of 117

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

Question 32 of 117

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

Question 33 of 117

34. Ohms Law explains about the relationship between:

Question 34 of 117

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

Question 35 of 117

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

Question 36 of 117

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

Question 37 of 117

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

Question 38 of 117

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

Question 39 of 117

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

Question 40 of 117

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

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. CURRENT = E.M.F /TOTAL RESISTANCE

Question 43 of 117

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

Question 44 of 117

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

Question 45 of 117

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

Question 46 of 117

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

Question 47 of 117

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

Question 48 of 117

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

Question 49 of 117

50. State Ohms law

Question 50 of 117

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

Question 51 of 117

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

Question 52 of 117

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

Question 53 of 117

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

Question 54 of 117

55. Name the instrument used to measure electrical resistance?

Question 55 of 117

56. Mention the 3 types of resistors?

Question 56 of 117

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

Question 57 of 117

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

Question 58 of 117

59. 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 59 of 117

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

Question 60 of 117

61. Name the instrument used to measure electrical resistance?

Question 61 of 117

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

Question 62 of 117

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

Question 63 of 117

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

Question 64 of 117

65. 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 65 of 117

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

Question 66 of 117

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

Question 67 of 117

68. Give the name of conductors which obey Ohms Law

Question 68 of 117

69. 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 69 of 117

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

Question 70 of 117

71. Mention the 3 types of resistors?

Question 71 of 117

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

Question 72 of 117

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

Question 73 of 117

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

Question 74 of 117

75. 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 75 of 117

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

Question 76 of 117

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

Question 77 of 117

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

Question 78 of 117

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

Question 79 of 117

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

Question 80 of 117

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

Question 81 of 117

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

Question 82 of 117

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

Question 83 of 117

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

Question 84 of 117

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

Question 85 of 117

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

Question 86 of 117

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

Question 87 of 117

88. 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 88 of 117

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

Question 89 of 117

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

Question 90 of 117

91. Give the name of conductors which obey Ohms Law

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

Question 93 of 117

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

Question 94 of 117

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

Question 95 of 117

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

Question 96 of 117

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

Question 97 of 117

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

Question 98 of 117

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

Question 99 of 117

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

Question 100 of 117

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

Question 101 of 117

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

Question 102 of 117

103. Mention the SI UNIT of resistance

Question 103 of 117

104. 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 104 of 117

105. Mention the SI UNIT of resistance

Question 105 of 117

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

Question 106 of 117

107. Which formula best describes Ohms Law ?

Question 107 of 117

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

Question 108 of 117

109. Which formula best describes Ohms Law ?

Question 109 of 117

110. State Ohms law

Question 110 of 117

111. Mention the SI UNIT of resistance

Question 111 of 117

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

Question 112 of 117

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

Question 113 of 117

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

Question 114 of 117

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

Question 115 of 117

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

Question 116 of 117

117. Ohms Law explains about the relationship between:

Question 117 of 117