Networks Analysis And Synthesis(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. 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 3. 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 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. For high efficiency of transfer of power, internal resistance of the source should be
  1.    Equal to the load resistance
  2.    Less than the load resistance
  3.    More than the load resistance
  4.    None of the above
Explanation:-
Answer: Option B. -> Less than the load resistance
Question 7. Superposition theorem can be applied only to circuits having
  1.    Resistive elements
  2.    Passive elements
  3.    Nonlinear elements
  4.    Linear bilateral elements
Explanation:-
Answer: Option D. -> Linear bilateral elements
Question 8. For maximum transfer of power, internal resistance of the source should be
  1.    Equal to load resistance
  2.    Less than the load resistance
  3.    Greater than the load resistance
  4.    None of the above
Explanation:-
Answer: Option A. -> Equal to load resistance
Question 9. A linear resistor having 0 < R < $$\infty \,$$ is a
  1.    Current controlled resistor
  2.    Voltage controlled resistor
  3.    Both current controlled and voltage controlled resistor
  4.    None of the above
Explanation:-
Answer: Option C. -> Both current controlled and voltage controlled resistor
Question 10. The circuit has resistors, capacitors and semiconductor diodes. The circuit will be known as
  1.    Nonlinear circuit
  2.    Linear circuit
  3.    Bilateral circuit
  4.    None of the above
Explanation:-
Answer: Option A. -> Nonlinear circuit
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