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Circuit Network Theorey
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Question 1 of 60
1. Question
1 pointsTo calculate Thevenin’s equivalent value in a circuit
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Question 2 of 60
2. Question
1 pointsA 26 dBm output in watts equals to
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Question 3 of 60
3. Question
1 pointsThe Characteristic Impedance of a low pass filter in attenuation Band is
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Question 4 of 60
4. Question
1 pointsThe real part of the propagation constant shows
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Question 5 of 60
5. Question
1 pointsThe purpose of an Attenuator is to:
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Question 6 of 60
6. Question
1 pointsIn Parallel Resonance of:
R – L – C circuit having a R – L as series branch and ‘C’ forming parallel branch. Tick the correct answer only. 1/2π√(1/LCR²/L²)
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Question 7 of 60
7. Question
1 pointsMillman’s theorem is applicable during determination of
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Question 8 of 60
8. Question
1 pointsKirchhoff’s current law states that
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Question 9 of 60
9. Question
1 pointsAccording to kirchhoff’s voltage law , the algebraic sum of all IR drops and e .m.fs in any closed loop of a network is always
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Question 10 of 60
10. Question
1 pointsKirchhoff’s current law is applicable to only
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Question 11 of 60
11. Question
1 pointsKirchhoff’s voltage law is related to
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Question 12 of 60
12. Question
1 pointsSuperposition theorem can be applied only to circuits having
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Question 13 of 60
13. Question
1 pointsThe concept on which Superposition theorem is based is
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Question 14 of 60
14. Question
1 pointsThevenin resistance Rth is found
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Question 15 of 60
15. Question
1 pointsFor a voltage source
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Question 16 of 60
16. Question
1 pointsTo determine the polarity of the voltage drop across a resistor, it is necessary to know
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Question 17 of 60
17. Question
1 pointsMaximum power output is obtained from a network when the load resistance is equal to the output resistance of the network as seen from the terminals of the load”. The above statement is associated with
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Question 18 of 60
18. Question
1 points“Any number of current sources in parallel may be replaced by a single current source whose current is the algebraic sum of individual source currents andsource resistance is the parallel combination of individual source resistances”.
The above statement is associated with
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Question 19 of 60
19. Question
1 points“In any linear bilateral network, if a source of e.m.f. E in any branch produces a current I in any other
branch, then same e.m.f. acting in the second branch would produce the same current / in the first branch”. The above statement is associated with
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Question 20 of 60
20. Question
1 pointsWhich of the following is nonlinear circuit parameter ?
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Question 21 of 60
21. Question
1 pointsA capacitor is generally a
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Question 22 of 60
22. Question
1 points“In any network containing more than one sources of e.m.f. the current in any branch is the algebraic sum of a number of individual fictitious currents (the number being equal to the number of sources of e.m.f.), each of which is due to separate action of each source of e.m.f., taken in order, when the remaining sources of e.m.f. are replaced by conductors, the
resistances of which are equal to the internal resistances of the respective sources”.The above statement is associated with
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Question 23 of 60
23. Question
1 pointsKirchhoff s voltage law applies to circuits with
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Question 24 of 60
24. Question
1 pointsEfficiency of power transfer when maximum transfer of power occurs is
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Question 25 of 60
25. Question
1 pointsFor high efficiency of transfer of power, internal resistance of the source should be
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Question 26 of 60
26. Question
1 pointsFor maximum transfer of power, internal resistance of the source should be
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Question 27 of 60
27. Question
1 pointsIf the energy is supplied from a source, whose resistance is 1 ohm, to a load of 100 ohms the source will be
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Question 28 of 60
28. Question
1 pointsThe circuit whose properties are same in either direction is known as
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Question 29 of 60
29. Question
1 pointsIn a series parallel circuit, any two resistances in the same current path must be in
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Question 30 of 60
30. Question
1 pointsWhich of the following is not a nonlinear element ?
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Question 31 of 60
31. Question
1 pointsApplication of Norton’s theorem to a circuit yields
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Question 32 of 60
32. Question
1 pointsMillman’s theorem yields
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Question 33 of 60
33. Question
1 pointsThe superposition theorem is applicable to
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Question 34 of 60
34. Question
1 pointsBetween the branch voltages of a loop the Kirchhoff s voltage law imposes
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Question 35 of 60
35. Question
1 pointsA passive network is one which contains
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Question 36 of 60
36. Question
1 pointsA terminal where three on more branches meet is known as
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Question 37 of 60
37. Question
1 pointsWhich of the following is the passive element ?
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Question 38 of 60
38. Question
1 pointsWhich of the following is a bilateral element ?
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Question 39 of 60
39. Question
1 pointsA star circuit has element of resistance R/2. The equivalent delta elements will be
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Question 40 of 60
40. Question
1 pointsA delta circuit has each element of value R/2. The equivalent elements of star circuit with be
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Question 41 of 60
41. Question
1 pointsIn Thevenin’s theorem, to find Z
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Question 42 of 60
42. Question
1 pointsWhile calculating Rth in Thevenin’s theorem and Norton equivalent
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Question 43 of 60
43. Question
1 pointsThe number of independent equations to solve a network is equal to
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Question 44 of 60
44. Question
1 pointsThe superposition theorem requires as many circuits to be solved as there are
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Question 45 of 60
45. Question
1 pointsChoose the incorrect statement
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Question 46 of 60
46. Question
1 pointsA linear resistor having 0 < R < °o is a
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Question 47 of 60
47. Question
1 pointsAn ideal voltage source has
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Question 48 of 60
48. Question
1 pointsA nonlinear network does not satisfy
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Question 49 of 60
49. Question
1 pointsThe network shown in part a has zeros at
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Question 50 of 60
50. Question
1 pointsOf the two methods of loop and node variable analysis
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Question 51 of 60
51. Question
1 pointsIn a double tuned circuit, consisting of two magnetically coupled, identical highQ tuned circuits, at the resonance frequency of either circuit, the amplitude response has
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Question 52 of 60
52. Question
1 pointsIn a series RLC circuit with output taken across C, the poles of the transfer function are located at − α ± jβ . The frequency of maximum response is given by
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Question 53 of 60
53. Question
1 pointsFor an ideal transformer
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Question 54 of 60
54. Question
1 pointsA network function can be completely specified by:
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Question 55 of 60
55. Question
1 pointsIn the complex frequency s = σ + jω , ω has the units of rad/s and σ has the units of:
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Question 56 of 60
56. Question
1 pointsThe following property relates to LC impedance or admittance functions
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Question 57 of 60
57. Question
1 pointsIf the impulse response is realisable by delaying it appropriately and is bounded for bounded excitation, then the system is said to be :
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Question 58 of 60
58. Question
1 pointsIn the solution of network differential equations, the constants in the complementary function have to be evaluated from the initial conditions, and then the particular integral is to be added. This procedure is
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Question 59 of 60
59. Question
1 pointsThe rms value of the ac voltage v(t) = 200 sin 314 t is:
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Question 60 of 60
60. Question
1 pointsIn a 2terminal network containing at least one inductor and one capacitor, resonance condition exists only when the input impedance of the network is:
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