Current Electricity

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

Question 1 of 117

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

Question 2 of 117

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

Question 3 of 117

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

Question 4 of 117

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

Question 5 of 117

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

Question 6 of 117

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

Question 7 of 117

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

Question 8 of 117

9. 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 9 of 117

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

Question 10 of 117

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

Question 11 of 117

12. Give the name of conductors which obey Ohms Law

Question 12 of 117

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

Question 13 of 117

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

Question 14 of 117

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

Question 15 of 117

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

Question 16 of 117

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

Question 17 of 117

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

Question 18 of 117

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

Question 19 of 117

20. Mention the SI UNIT of resistance

Question 20 of 117

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

Question 21 of 117

22. Give the name of conductors which obey Ohms Law

Question 22 of 117

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

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

Question 25 of 117

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

Question 26 of 117

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

Question 27 of 117

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

Question 28 of 117

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

Question 29 of 117

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

Question 30 of 117

31. 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 31 of 117

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

Question 32 of 117

33. Ohms Law explains about the relationship between:

Question 33 of 117

34. Ohms Law explains about the relationship between:

Question 34 of 117

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

Question 35 of 117

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

Question 36 of 117

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

Question 37 of 117

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

Question 38 of 117

39. 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 39 of 117

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

Question 40 of 117

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

Question 41 of 117

42. Mention the SI UNIT of resistance

Question 42 of 117

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

Question 43 of 117

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

Question 44 of 117

45. Give the name of conductors which obey Ohms Law

Question 45 of 117

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

Question 46 of 117

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

Question 47 of 117

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

Question 48 of 117

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

Question 49 of 117

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

Question 50 of 117

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

Question 51 of 117

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

Question 52 of 117

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

Question 53 of 117

54. Which formula best describes Ohms Law ?

Question 54 of 117

55. 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 55 of 117

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

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

Question 58 of 117

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

Question 59 of 117

60. Name the instrument used to measure electrical resistance?

Question 60 of 117

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

Question 61 of 117

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

Question 62 of 117

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

Question 63 of 117

64. Name the instrument used to measure electrical resistance?

Question 64 of 117

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

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. Mention the 3 types of resistors?

Question 67 of 117

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

Question 68 of 117

69. Which formula best describes Ohms Law ?

Question 69 of 117

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

Question 70 of 117

71. 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 71 of 117

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

Question 72 of 117

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

Question 73 of 117

74. 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 74 of 117

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

Question 75 of 117

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

Question 76 of 117

77. Mention the 3 types of resistors?

Question 77 of 117

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

Question 78 of 117

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

Question 79 of 117

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

Question 80 of 117

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

Question 81 of 117

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

Question 82 of 117

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

Question 85 of 117

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

Question 86 of 117

87. Mention the 3 types of resistors?

Question 87 of 117

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

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

Question 90 of 117

91. Ohms Law explains about the relationship between:

Question 91 of 117

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

Question 92 of 117

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

Question 93 of 117

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

Question 94 of 117

95. Name the instrument used to measure electrical resistance?

Question 95 of 117

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

Question 96 of 117

97. 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 97 of 117

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

Question 98 of 117

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

Question 99 of 117

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

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

Question 102 of 117

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

Question 103 of 117

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

Question 104 of 117

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

Question 105 of 117

106. Mention the SI UNIT of resistance

Question 106 of 117

107. State Ohms law

Question 107 of 117

108. State Ohms law

Question 108 of 117

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

Question 109 of 117

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

Question 110 of 117

111. State Ohms law

Question 111 of 117

112. Which formula best describes Ohms Law ?

Question 112 of 117

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

Question 113 of 117

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

Question 114 of 117

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

Question 115 of 117

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

Question 116 of 117

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

Question 117 of 117