Current Electricity

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

Question 1 of 117

2. 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 2 of 117

3. Mention the SI UNIT of resistance

Question 3 of 117

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

Question 4 of 117

5. State Ohms law

Question 5 of 117

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

Question 6 of 117

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

Question 7 of 117

8. 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 8 of 117

9. Ohms Law explains about the relationship between:

Question 9 of 117

10. 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 10 of 117

11. Name the instrument used to measure electrical resistance?

Question 11 of 117

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

Question 12 of 117

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

Question 13 of 117

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

Question 14 of 117

15. 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 15 of 117

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

Question 16 of 117

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

Question 17 of 117

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

Question 18 of 117

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

Question 19 of 117

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

Question 20 of 117

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

Question 21 of 117

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

Question 22 of 117

23. State Ohms law

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

Question 25 of 117

26. Name the instrument used to measure electrical resistance?

Question 26 of 117

27. Which formula best describes Ohms Law ?

Question 27 of 117

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

Question 28 of 117

29. 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 29 of 117

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

Question 30 of 117

31. Give the name of conductors which obey Ohms Law

Question 31 of 117

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

Question 32 of 117

33. 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 33 of 117

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

Question 34 of 117

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

Question 35 of 117

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

Question 36 of 117

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

Question 37 of 117

38. State Ohms law

Question 38 of 117

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

Question 39 of 117

40. Give the name of conductors which obey Ohms Law

Question 40 of 117

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

Question 41 of 117

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

Question 42 of 117

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

Question 43 of 117

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

Question 44 of 117

45. 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 45 of 117

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

Question 46 of 117

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

Question 47 of 117

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

Question 48 of 117

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

Question 49 of 117

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

Question 50 of 117

51. Give the name of conductors which obey Ohms Law

Question 51 of 117

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

Question 52 of 117

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

Question 53 of 117

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

Question 54 of 117

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

Question 55 of 117

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

Question 56 of 117

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

Question 57 of 117

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

Question 58 of 117

59. Mention the SI UNIT of resistance

Question 59 of 117

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

Question 60 of 117

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

Question 61 of 117

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

Question 62 of 117

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

Question 63 of 117

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

Question 64 of 117

65. Ohms Law explains about the relationship between:

Question 65 of 117

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

Question 66 of 117

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

Question 67 of 117

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

Question 68 of 117

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

Question 69 of 117

70. Which formula best describes Ohms Law ?

Question 70 of 117

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

Question 71 of 117

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

Question 72 of 117

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

Question 73 of 117

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

Question 74 of 117

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

Question 75 of 117

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

Question 76 of 117

77. Mention the SI UNIT of resistance

Question 77 of 117

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

Question 78 of 117

79. Ohms Law explains about the relationship between:

Question 79 of 117

80. Mention the 3 types of resistors?

Question 80 of 117

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

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

Question 83 of 117

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

Question 84 of 117

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

Question 85 of 117

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

Question 86 of 117

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

Question 87 of 117

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

Question 88 of 117

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

Question 89 of 117

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

Question 90 of 117

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

Question 91 of 117

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

Question 92 of 117

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

Question 93 of 117

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

Question 94 of 117

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

Question 95 of 117

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

Question 96 of 117

97. 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 97 of 117

98. Name the instrument used to measure electrical resistance?

Question 98 of 117

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

Question 99 of 117

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

Question 100 of 117

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

Question 101 of 117

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

Question 102 of 117

103. 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 103 of 117

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

Question 104 of 117

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

Question 105 of 117

106. Mention the 3 types of resistors?

Question 106 of 117

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

Question 107 of 117

108. Which formula best describes Ohms Law ?

Question 108 of 117

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

Question 109 of 117

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

Question 110 of 117

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

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 metal conductor in relation to temperature?

Question 113 of 117

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

Question 114 of 117

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

Question 115 of 117

116. Mention the 3 types of resistors?

Question 116 of 117

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

Question 117 of 117