Network Theorems(Electrical Engineering Questions ) Questions and Answers

Question 1. If the energy is supplied from a source, whose resistance is 1 ohm, to a load of 100 ohms the source will be___________?
  1.    a voltage source
  2.    a current source
  3.    both of above
  4.    none of the above
Explanation:-
Answer: Option A. -> a voltage source
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2. Application of Norton’s theorem to a circuit yields:________________?
  1.    equivalent current source and impedance in parallel
  2.    equivalent current source and impedance in series
  3.    equivalent impedance
  4.    equivalent current source
Explanation:-
Answer: Option A. -> equivalent current source and impedance in parallel
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3. An ideal voltage source has__________?
  1.    zero internal resistance
  2.    open circuit voltage equal to the voltage on full load
  3.    terminal voltage in proportion to current
  4.    terminal voltage in proportion to load
Explanation:-
Answer: Option A. -> zero internal resistance
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4. An ideal voltage source should have______________?
  1.    large value of e.m.f.
  2.    small value of e.m.f.
  3.    zero source resistance
  4.    infinite source resistance
Explanation:-
Answer: Option C. -> zero source resistance
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 5. Kirchhoff s current law states that
  1.    net current flow at the junction is positive
  2.    Hebraic sum of the currents meeting at the junction is zero
  3.    no current can leave the junction without some current entering it
  4.    total sum of currents meeting at the junction is zero
Explanation:-
Answer: Option B. -> Hebraic sum of the currents meeting at the junction is zero
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 6. Which of the following is non-linear circuit parameter?
  1.    Inductance
  2.    Condenser
  3.    Wire wound resistor
  4.    Transistor
Explanation:-
Answer: Option D. -> Transistor
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 7. A linear resistor having 0 < R < °o 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
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 8. 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
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 9. In a series parallel circuit, any two resistances in the same current path must be in___________?
  1.    series with each other
  2.    parallel with each other
  3.    series with the voltage source
  4.    parallel with the voltage source
Explanation:-
Answer: Option A. -> series with each other
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
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
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
© Lakshya_Education.com, All Right Reserved.
Contact Us services