Networks Analysis And Synthesis(Engineering > Electrical Engineering ) Questions and Answers

Question 1. According to Kirchhoff’s voltage law, the algebraic sum of all IR drops and e.m.f. in any closed loop of a network is always
  1.    Negative
  2.    Positive
  3.    Determined by battery e.m.f.
  4.    Zero
Explanation:-
Answer: Option D. -> Zero
Question 2. The number of independent equations to solve a network is equal to
  1.    The number of chords
  2.    The number of branches
  3.    Sum of the number of branches and chords
  4.    Sum of number of branches, chords and nodes
Explanation:-
Answer: Option A. -> The number of chords
Question 3. A closed path made by several branches of the network is known as
  1.    Branch
  2.    Loop
  3.    Circuit
  4.    Junction
Explanation:-
Answer: Option B. -> Loop
Question 4. Which of the following is not a nonlinear element ?
  1.    Gas diode
  2.    Heater coil
  3.    Tunnel diode
  4.    Electric arc
Explanation:-
Answer: Option B. -> Heater coil
Question 5. The superposition theorem requires as many circuits to be solved as there are
  1.    Sources, nodes and meshes
  2.    Sources and nodes
  3.    Sources
  4.    Nodes
Explanation:-
Answer: Option C. -> Sources
Question 6. The concept on which Superposition theorem is based is
  1.    Reciprocity
  2.    Duality
  3.    Non-linearity
  4.    Linearity
Explanation:-
Answer: Option D. -> Linearity
Question 7. Between the branch voltages of a loop the Kirchhoff's voltage law imposes
  1.    Nonlinear constraints
  2.    Linear constraints
  3.    No constraints
  4.    None of the above
Explanation:-
Answer: Option B. -> Linear constraints
Question 8. Application of Norton’s theorem to a circuit yields
  1.    Equivalent current source and impedance in series
  2.    Equivalent current source and impedance in parallel
  3.    Equivalent impedance
  4.    Equivalent current source
Explanation:-
Answer: Option B. -> Equivalent current source and impedance in parallel
Question 9. Which of the following is a bilateral element?
  1.    Constant current source
  2.    Constant voltage source
  3.    Capacitance
  4.    None of the above
Explanation:-
Answer: Option C. -> Capacitance
Question 10. Kirchhoff s law is not applicable to circuits with
  1.    Lumped parameters
  2.    Passive elements
  3.    Distributed parameters
  4.    Non-linear resistances
Explanation:-
Answer: Option C. -> Distributed parameters
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