Simple Dc Networks(Engineering > Electrical Engineering ) Questions and Answers

Question 1. KCL is applied at _________
  1.    Loop
  2.    Node
  3.    Both loop and node
  4.    Neither loop nor node
Explanation:-
Answer: Option B. -> Node
Answer: (b).Node
Question 2. The sum of the voltages over any closed loop is equal to __________
  1.    0V
  2.    Infinity
  3.    1V
  4.    2V
Explanation:-
Answer: Option A. -> 0V
Answer: (a).0V
Question 3. KVL deals with the conservation of?
  1.    Mass
  2.    Momentum
  3.    Charge
  4.    Energy
Explanation:-
Answer: Option D. -> Energy
Answer: (d).Energy
Question 4. KCL can be applied for __________
  1.    Planar networks
  2.    Non-planar networks
  3.    Both planar and non-planar
  4.    Neither planar nor non-planar
Explanation:-
Answer: Option C. -> Both planar and non-planar
Answer: (c).Both planar and non-planar
Question 5. What is the basic law that has to be followed in order to analyze the circuit?
  1.    Newton’s laws
  2.    Faraday’s laws
  3.    Ampere’s laws
  4.    Kirchhoff’s law
Explanation:-
Answer: Option D. -> Kirchhoff’s law
Answer: (d).Kirchhoff’s law
Question 6. Every____________ is a ____________ but every __________ is not a __________
  1.    Mesh, loop, loop, mesh
  2.    Loop, mesh, mesh, loop
  3.    Loop, mesh, loop, mesh
  4.    Mesh, loop, mesh, loop
Explanation:-
Answer: Option A. -> Mesh, loop, loop, mesh
Answer: (a).Mesh, loop, loop, mesh
Question 7. Which of the following statements are true?
  1.    Power is proportional to voltage only
  2.    Power is proportional to current only
  3.    Power is neither proportional to voltage nor to the current
  4.    Power is proportional to both the voltage and current
Explanation:-
Answer: Option D. -> Power is proportional to both the voltage and current
Answer: (d).Power is proportional to both the voltage and current
Question 8. Which of the following is not an expression power?
  1.    P=VI
  2.    P=I²R
  3.    P=V²/R
  4.    P=I/R
Explanation:-
Answer: Option D. -> P=I/R
Answer: (d).P=I/R
Question 9. A 250V bulb passes a current of 0.3A. Calculate the power in the lamp.
  1.    75W
  2.    50W
  3.    25W
  4.    90W
Explanation:-
Answer: Option A. -> 75W
Answer: (a).75W
Question 10. KVL is applied in ____________
  1.    Mesh analysis
  2.    Nodal analysis
  3.    Both mesh and nodal
  4.    Neither mesh nor nodal
Explanation:-
Answer: Option A. -> Mesh analysis
Answer: (a).Mesh analysis
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