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Basic Electrical
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 Answered
 Review

Question 1 of 120
1. Question
1 pointsWhat will be the resistance if 10 resistors of 10 ohm each is connected in series ?
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Incorrect

Question 2 of 120
2. Question
1 pointsResistivity of a wire depends on ?
Correct
Incorrect

Question 3 of 120
3. Question
1 pointsWhich of the following is not the same as watt?
Correct
Incorrect

Question 4 of 120
4. Question
1 pointsOhm’s law is not applicable to ?
Correct
Incorrect

Question 5 of 120
5. Question
1 pointsA wire of resistance R has it length and crosssection both doubled. Its resistance will become ?
Correct
Incorrect

Question 6 of 120
6. Question
1 pointsThe rating of fuse wire is expressed in terms of ?
Correct
Incorrect

Question 7 of 120
7. Question
1 pointsFor maximum transfer of power, internal resistance of the source should be: ?
Correct
Incorrect

Question 8 of 120
8. Question
1 pointsThevenin’s theorem can be applied to network containing ?
Correct
Incorrect

Question 9 of 120
9. Question
1 pointsWhich of the following theorems helps in simplifying computations when the load across a circuit is varying ?
Correct
Incorrect

Question 10 of 120
10. Question
1 pointsWhen maximum power transfer takes place, the efficiency of power transfer of the circuit is ?
Correct
Incorrect

Question 11 of 120
11. Question
1 pointsThe superposition theorem requires as many circuits to be solved as there are: ?
Correct
Incorrect

Question 12 of 120
12. Question
1 pointsAn ideal voltage source should have: ?
Correct
Incorrect

Question 13 of 120
13. Question
1 pointsCorrect
Incorrect

Question 14 of 120
14. Question
1 pointsA passive element in a circuit is one which ?
Correct
Incorrect

Question 15 of 120
15. Question
1 pointsUnit of electric potential ?
Correct
Incorrect

Question 16 of 120
16. Question
1 pointsIf a flux of Φ Weber’s links with a coil of N turns , the induced voltage in the coil is given by ?
Correct
Incorrect

Question 17 of 120
17. Question
1 pointsWhenever there is a relative motion of a coil & a magnetic field, a voltage is induced in the
coil. Such a voltage is called ?
Correct
Incorrect

Question 18 of 120
18. Question
1 pointsThe polarity of the induced voltage is determined by ; ?
Correct
Incorrect

Question 19 of 120
19. Question
1 pointsTwo resistors each of 4Ω and 12Ω are connected in parallel and the parallel combination is connected in series with a 2 Ω resistor. If this circuit is connected across a 100V supply , the
total current drawn is ?
Correct
Incorrect

Question 20 of 120
20. Question
1 pointsThe energy stored in an inductor of inductance L henry is represented by ?
Correct
Incorrect

Question 21 of 120
21. Question
1 pointsThe voltage induced in an inductor of L henry is represented by ?
Correct
Incorrect

Question 22 of 120
22. Question
1 pointsWhich of these is an expression for the energy stored in a capacitor?
Correct
Incorrect

Question 23 of 120
23. Question
1 pointsWhich of the elements in the following is not bilateral?
Correct
Incorrect

Question 24 of 120
24. Question
1 pointsA node in a network is defined as a ?
Correct
Incorrect

Question 25 of 120
25. Question
1 pointsWhich of the following is not a unit of conductance?
Correct
Incorrect

Question 26 of 120
26. Question
1 pointsThree capacitors, each of C microfarad are first connected in series and then in parallel. The
equivalent capacitance ?
Correct
Incorrect

Question 27 of 120
27. Question
1 pointsTwo resistances R_{1 }and R_{2 }give combined resistance of 4.5 ohms when in series and 1 ohm
when in parallel. The resistances are ?
Correct
Incorrect

Question 28 of 120
28. Question
1 points A Material having a charge of 12 coloumbs over 6 second what is current flowing through the material ?
Correct
Incorrect

Question 29 of 120
29. Question
1 points The Potential Difference between Two terminals of Resistor is 10V, Current flowing is 5A,
What is the value of Resistance ?
Correct
Incorrect

Question 30 of 120
30. Question
1 pointsFour resistors each of 20Ω are connected in parallel, the total resistance is ?
Correct
Incorrect

Question 31 of 120
31. Question
1 pointsOneFarad Is Equal To ?
Correct
Incorrect

Question 32 of 120
32. Question
1 pointsOneFarad Is Equal To .
Correct
Incorrect

Question 33 of 120
33. Question
1 pointsTwo resistors each of 4Ω and 12Ω are connected in parallel and the parallel combination is connected in series with a 2 Ω What is the Equivalent Resistance?
Correct
Incorrect

Question 34 of 120
34. Question
1 pointsThe unit of resistance is ?
Correct
Incorrect

Question 35 of 120
35. Question
1 pointsCircuit is defined as ?
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Incorrect

Question 36 of 120
36. Question
1 pointsIn Series Connection of elements Parameter is Same ?
Correct
Incorrect

Question 37 of 120
37. Question
1 pointsIn parallel Connection of elements Parameter is Same ?
Correct
Incorrect

Question 38 of 120
38. Question
1 pointsA Loop in a Circuit is defined as a ?
Correct
Incorrect

Question 39 of 120
39. Question
1 pointsKCL is applicable at .
Correct
Incorrect

Question 40 of 120
40. Question
1 pointsKVL is applicable at.
Correct
Incorrect

Question 41 of 120
41. Question
1 pointsSuperPosition Theorem is applicable for a
Correct
Incorrect

Question 42 of 120
42. Question
1 pointsFaradays First law the induced EMF is
Correct
Incorrect

Question 43 of 120
43. Question
1 pointsFaradays second law the induced EMF is
Correct
Incorrect

Question 44 of 120
44. Question
1 pointsThevenin’s Voltage is
Correct
Incorrect

Question 45 of 120
45. Question
1 pointsohms law applicable at ………………. condition .?
Correct
Incorrect

Question 46 of 120
46. Question
1 pointsThe unit of inductance is ?
Correct
Incorrect

Question 47 of 120
47. Question
1 pointsThe unit of capacitance is ^{ }
Correct
Incorrect

Question 48 of 120
48. Question
1 pointsMagnetic flux has he unit of ^{ ?}
Correct
Incorrect

Question 49 of 120
49. Question
1 pointsIf E_{1 }= Asinωt and E_{2 }= Asin(ωt – θ), then ?
Correct
Incorrect

Question 50 of 120
50. Question
1 pointsThe equation for 25 cycles current sine wave having rms value of 30 amps, will be ?
Correct
Incorrect

Question 51 of 120
51. Question
1 pointsThe rms value of sinusoidal voltage wave V = 200sinωt, is ?
Correct
Incorrect

Question 52 of 120
52. Question
1 pointsThe value of supply voltage for 400 W, 4 Ω load is ?
Correct
Incorrect

Question 53 of 120
53. Question
1 pointsWhat is represented by the hypotenuse of impedance triangle?
Correct
Incorrect

Question 54 of 120
54. Question
1 pointsThe phase angle difference between current and voltage is 90°, the power will be .
Correct
Incorrect

Question 55 of 120
55. Question
1 pointsA series R – L – C circuit has R = 1 Ω, L = 1 H and C = 1 F connected across a voltage and
line current is 1 A, find energy consumed in one hour .
Correct
Incorrect

Question 56 of 120
56. Question
1 pointsIn pure inductive circuit current voltage by 90^{0}
Correct
Incorrect

Question 57 of 120
57. Question
1 pointspower consumed by capacitor is
Correct
Incorrect

Question 58 of 120
58. Question
1 pointsRMS Value of sinusoidal Voltage is
Correct
Incorrect

Question 59 of 120
59. Question
1 pointsAverage Value of sinusoidal Voltage is
Correct
Incorrect

Question 60 of 120
60. Question
1 pointsForm factor of sinusoidal Voltage is
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Incorrect

Question 61 of 120
61. Question
1 pointsPeak factor of sinusoidal Voltage is
Correct
Incorrect

Question 62 of 120
62. Question
1 pointsDirection of Induced EMF is given by
Correct
Incorrect

Question 63 of 120
63. Question
1 pointsThe direction of magnetic field is from
Correct
Incorrect

Question 64 of 120
64. Question
1 pointsPower factor CosФ=
Correct
Incorrect

Question 65 of 120
65. Question
1 pointsIn symmetrical wave RMS Value is calculated for
Correct
Incorrect

Question 66 of 120
66. Question
1 pointsFor Half wave Rectifier Second alternation is
Correct
Incorrect

Question 67 of 120
67. Question
1 points50HZ Means
Correct
Incorrect

Question 68 of 120
68. Question
1 pointsHow many cycles does a sine wave go through in 10s when its frequency is 60HZ
Correct
Incorrect

Question 69 of 120
69. Question
1 pointsIf the peak value of a certain sine wave voltage is 10V, what is the peak to peak value?
Correct
Incorrect

Question 70 of 120
70. Question
1 pointsIf the peak value of a sine wave voltage is 5V, then rms value is
Correct
Incorrect

Question 71 of 120
71. Question
1 pointsA phasor represents
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Incorrect

Question 72 of 120
72. Question
1 pointsThe form factor is the ratio of
Correct
Incorrect

Question 73 of 120
73. Question
1 pointsTwo waves of the same frequency have opposite phase when the phase angle between them Is
Correct
Incorrect

Question 74 of 120
74. Question
1 pointsTrue Power Is Also Called As
Correct
Incorrect

Question 75 of 120
75. Question
1 pointsPeak Factor Gives
Correct
Incorrect

Question 76 of 120
76. Question
1 pointsFor A Frequency Of 200 Hz, The Time Period Will Be
Correct
Incorrect

Question 77 of 120
77. Question
1 pointsPower Factor Of An Electrical Circuit Is Equal To
Correct
Incorrect

Question 78 of 120
78. Question
1 pointsThe Apparent Power Drawn By An A.C. Circuit Is 10 Kva And Active Power Is 8 Kw.
The Reactive Power In The Circuit Is
Correct
Incorrect

Question 79 of 120
79. Question
1 pointsIn An A.C. Circuit Power Is Dissipated In
Correct
Incorrect

Question 80 of 120
80. Question
1 pointsA Phasor Is
Correct
Incorrect

Question 81 of 120
81. Question
1 pointsOhm Is Unit Of All Of The Following Except
Correct
Incorrect

Question 82 of 120
82. Question
1 pointsIn An A.C. Circuit Power Is Dissipated In
Correct
Incorrect

Question 83 of 120
83. Question
1 pointsOhm Is Unit Of All Of The Following Except
Correct
Incorrect

Question 84 of 120
84. Question
1 pointsThe Product Of Apparent Power And Cosine Of The Phase Angle Between Circuit
Voltage And Current Is
Correct
Incorrect

Question 85 of 120
85. Question
1 pointsThe Product Of Apparent Power And Sine Of The Phase Angle Between Circuit Voltage
And Current Is
Correct
Incorrect

Question 86 of 120
86. Question
1 pointsThe Power Factor Of A D.C. Circuit Is Always
Correct
Incorrect

Question 87 of 120
87. Question
1 pointsWhich Power Of The Following Is The Product Of Voltage And Current Is
Correct
Incorrect

Question 88 of 120
88. Question
1 pointsThe Safest Value Of Current The Human Body Can Carry For More Than 3 Second Is
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Incorrect

Question 89 of 120
89. Question
1 pointsPower Factor Of The Following Circuit Will Be Unity
Correct
Incorrect

Question 90 of 120
90. Question
1 pointsPower Factor Of The Following Circuit Will Be Leading
Correct
Incorrect

Question 91 of 120
91. Question
1 pointsThe Units For Capacitor Is
Correct
Incorrect

Question 92 of 120
92. Question
1 pointsFormula For Coefficient Of Coupling Is
Correct
Incorrect

Question 93 of 120
93. Question
1 pointsThe Units For Current Is
Correct
Incorrect

Question 94 of 120
94. Question
1 pointsAll The Rules And Laws Of D.C. Circuit Also Apply To A.C. Circuit Containing
Correct
Incorrect

Question 95 of 120
95. Question
1 pointsPower Factor Of The System Is Kept High
Correct
Incorrect

Question 96 of 120
96. Question
1 pointsThe Units For Resistance Is
Correct
Incorrect

Question 97 of 120
97. Question
1 pointsPower Factor Of An Inductive Circuit Is Usually Improved By Connecting Capacitor to it in
Correct
Incorrect

Question 98 of 120
98. Question
1 pointsThe Range Of Power Factor Value
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Incorrect

Question 99 of 120
99. Question
1 pointsFor A Sine Wave With Peak Value Imax The R.M.S. Value Is
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Incorrect

Question 100 of 120
100. Question
1 pointsThe copper loss is a………………. loss ?
Correct
Incorrect

Question 101 of 120
101. Question
1 pointsCore type transformer is a circuit. ?
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Incorrect

Question 102 of 120
102. Question
1 pointsIn Shell type transformers the core has limbs ?
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Incorrect

Question 103 of 120
103. Question
1 pointsThe transformer is a converting device ?
Correct
Incorrect

Question 104 of 120
104. Question
1 pointsWhich supply is used for the transformers ?
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Incorrect

Question 105 of 120
105. Question
1 pointsInput to a alternator is
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Incorrect

Question 106 of 120
106. Question
1 pointsE.M.F equation of alternator is
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Incorrect

Question 107 of 120
107. Question
1 pointsAlternator working principal is ?
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Question 108 of 120
108. Question
1 pointsSalient pole type is also known as ?
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Incorrect

Question 109 of 120
109. Question
1 pointsIn alternator frequency f=
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Question 110 of 120
110. Question
1 points Laminated insulations coated with varnish are normally used in the transformer ?
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Incorrect

Question 111 of 120
111. Question
1 pointsTransformer is a device which ?
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Question 112 of 120
112. Question
1 pointsThe transformer turns ratio determines
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Incorrect

Question 113 of 120
113. Question
1 pointsA transformer has
Correct
Incorrect

Question 114 of 120
114. Question
1 pointsThe rating of transformer may be expressed in ?
Correct
Incorrect

Question 115 of 120
115. Question
1 pointsAn induction motor works with
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Incorrect

Question 116 of 120
116. Question
1 pointsThe relative speed between stator and rotor fluxes is equal to
Correct
Incorrect

Question 117 of 120
117. Question
1 pointsThe number of poles in a 3phase induction motor is determined by
Correct
Incorrect

Question 118 of 120
118. Question
1 pointsIn modern alternators the rotating part is
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Incorrect

Question 119 of 120
119. Question
1 pointsThe rotor preferred for a low speed hydrogenerator is
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Incorrect

Question 120 of 120
120. Question
1 pointsWhich of the following energy can be easily transformed from one form to another form of energy?
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