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MCQs

Total Questions : 105 | Page 1 of 11 pages
Question 1. Among the following, which is the right formula for growth in an inductive circuit?Among The Following, Which Is The Right Formula For Growth I...
  1.    a
  2.    b
  3.    c
  4.    d
 Discuss Question
Answer: Option D. -> d
Answer: (d).d
Question 2. If the switch is opened at t=0, what is the current in the circuit?If The Switch Is Opened At T=0, What Is The Current In The C...
  1.    0A
  2.    1A
  3.    2A
  4.    3A
 Discuss Question
Answer: Option C. -> 2A
Answer: (c).2A
Question 3. What is Helmholtz equation?What Is Helmholtz Equation?
  1.    a
  2.    b
  3.    c
  4.    d
 Discuss Question
Answer: Option B. -> b
Answer: (b).b
Question 4. If the switch is closed at t=0, what is the current in the circuit?If The Switch Is Closed At T=0, What Is The Current In The ...
  1.    0A
  2.    10A
  3.    20A
  4.    30A
 Discuss Question
Answer: Option A. -> 0A
Answer: (a).0A
Question 5. What is the voltage across the inductor at t=0?What Is The Voltage Across The Inductor At T=0?
  1.    0V
  2.    20V
  3.    60V
  4.    58V
 Discuss Question
Answer: Option C. -> 60V
Answer: (c).60V
Question 6. What is the time constant of an inductive circuit?
  1.    LR
  2.    R/L
  3.    1/LR
  4.    L/R
 Discuss Question
Answer: Option D. -> L/R
Answer: (d).L/R
Question 7. Calculate the inductance in an inductive circuit whose time constant is 2s and the resistance is 5 ohm.
  1.    10H
  2.    20H
  3.    5H
  4.    15H
 Discuss Question
Answer: Option A. -> 10H
Answer: (a).10H
Question 8. Calculate the resistance in an inductive circuit whose time constant is 2s and the inductance is 10H.
  1.    7ohm
  2.    10ohm
  3.    2ohm
  4.    5ohm
 Discuss Question
Answer: Option D. -> 5ohm
Answer: (d).5ohm
Question 9. The charging time constant of a circuit consisting of an inductor is the time taken for the current in the inductor to become __________% of the initial current.
  1.    33
  2.    63
  3.    37
  4.    36
 Discuss Question
Answer: Option B. -> 63
Answer: (b).63
Question 10. Calculate the time constant of an inductive circuit having resistance 5 ohm and inductance 10H.
  1.    2s
  2.    4s
  3.    5s
  4.    0s
 Discuss Question
Answer: Option A. -> 2s
Answer: (a).2s

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