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MCQs

Total Questions : 99 | Page 8 of 10 pages
Question 71. A nonlinear network does not satisfy
  1.    Homogeneity condition
  2.    Superposition condition
  3.    Homogeneity, superposition and associative condition
  4.    Both homogeneity as well as superposition condition
 Discuss Question
Answer: Option D. -> Both homogeneity as well as superposition condition
Question 72. The superposition theorem is applicable to
  1.    Linear responses only
  2.    None of these
  3.    Linear, nonlinear and time variant responses
  4.    Linear and nonlinear resistors only
 Discuss Question
Answer: Option A. -> Linear responses only
Question 73. While calculating Rth in Thevenin’s theorem and Norton equivalent
  1.    Only voltage sources are made dead
  2.    All voltage and current sources are made dead
  3.    Only current sources are made dead
  4.    All independent sources are made dead
 Discuss Question
Answer: Option D. -> All independent sources are made dead
Question 74. Efficiency of power transfer when maximum transfer of power c xerosis
  1.    100%
  2.    80%
  3.    50%
  4.    75%
 Discuss Question
Answer: Option C. -> 50%
Question 75. Which of the following is non-linear circuit parameter?
  1.    Transistor
  2.    Condenser
  3.    Wire wound resistor
  4.    Inductance
 Discuss Question
Answer: Option D. -> Inductance
Question 76. In a series parallel circuit, any two resistances in the same current path must be in
  1.    Parallel with each other
  2.    Series with the voltage source
  3.    Series with each other
  4.    Parallel with the voltage source
 Discuss Question
Answer: Option C. -> Series with each other
Question 77. Kirchhoff s current law states that
  1.    Hebraic sum of the currents meeting at the junction is zero
  2.    No current can leave the junction without some current entering it
  3.    Total sum of currents meeting at the junction is zero
  4.    Net current flow at the junction is positive
 Discuss Question
Answer: Option A. -> Hebraic sum of the currents meeting at the junction is zero
Question 78. A passive network is one which contains
  1.    No source of e.m.f. in it
  2.    Only variable resistances
  3.    Only two sources of e.m.f. in it
  4.    Only some sources of e.m.f. in it
 Discuss Question
Answer: Option A. -> No source of e.m.f. in it
Question 79. Kirchhoff’s current law is applicable to only
  1.    Electric circuits
  2.    Junction in a network
  3.    Electronic circuits
  4.    Closed loops in a network
 Discuss Question
Answer: Option B. -> Junction in a network
Question 80. This mention statement is associated with “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 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 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”.
  1.    Thevenin’s theorem
  2.    None of these
  3.    Norton’s theorem
  4.    Superposition theorem
 Discuss Question
Answer: Option D. -> Superposition theorem

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