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KIRCHHOFFS LAW MCQs

Total Questions : 20 | Page 1 of 2 pages
Question 1. Which of the following is Kirchhoff’s first law?
  1.    KCL
  2.    KVL
  3.    Current law
  4.    Both a and c
 Discuss Question
Answer: Option D. -> Both a and c
Question 2. Which of the following is Kirchhoff’s second law?
  1.    KCL
  2.    KVL
  3.    Current law
  4.    Both a and c
 Discuss Question
Answer: Option B. -> KVL
Question 3. Which of the following is the application of Kirchhoff’s law?
  1.    Determine current in circuit
  2.    Determine potential drop
  3.    Determine current direction
  4.    All the above
 Discuss Question
Answer: Option D. -> All the above
Question 4. In Kirchhoff’s first law Σi = 0 at the junction is based on the conservation of
  1.    Charge
  2.    Momentum
  3.    Energy
  4.    Speed
 Discuss Question
Answer: Option A. -> Charge
Question 5. Kirchhoff’s Current Law is based on
  1.    The charge can be accumulated at the node
  2.    Energy is stored at the node
  3.    Charge cannot be accumulated at the node
  4.    Depending on the circuit charge can be accumulated at the circuit
 Discuss Question
Answer: Option C. -> Charge cannot be accumulated at the node
Question 6. Which of the following field derives Kirchhoff’s loop law?
  1.    Electro magnetic
  2.    Electrostatic
  3.    Magnetic
  4.    Electrical
 Discuss Question
Answer: Option B. -> Electrostatic
Question 7. Kirchhoff s law is applicable to
  1.    d.c. circuits only
  2.    a.c. circuits only
  3.    passive networks only
  4.    Both ( a ) & ( b )
 Discuss Question
Answer: Option D. -> Both ( a ) & ( b )
Question 8. Kirchhoff's law states that:
  1.    The ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body
  2.    The total radiation from a black body per second per unit area is directly proportional to the fourth power of the absolute temperature
  3.    The wave length corresponding to the maximum energy is proportional to the absolute temperature
  4.    All of above
 Discuss Question
Answer: Option A. -> The ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body
Question 9. _________ method of complex network is used to solve the questions of simple circuits, Kirchhoff’s law, loop analysis, node analysis, superposition theorem and Reciprocity Theorem
  1.    Direct
  2.    In-direct
  3.    Equivalent
  4.    all are correct
 Discuss Question
Answer: Option A. -> Direct
Question 10. The method of Kirchhoff’s law is used to solve the questions with _____
  1.    node voltage method
  2.    branch current method
  3.    loop/mesh current method
  4.    all are correct
 Discuss Question
Answer: Option D. -> all are correct

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