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INDUCTANCE MCQs

Total Questions : 8
Question 1. A time-delay relay that uses an RC timing circuit is called a(n)_________
  1.    solid-state, time-delay relay
  2.    adjustable relay
  3.    dashpot time-delay relay
  4.    motor-driven, time-delay relay
 Discuss Question
Answer: Option D. -> motor-driven, time-delay relay
Question 2. Which of the following has the largest inductance?
  1.    A solenoid of radius 3 cm, length 1 cm, and with 100 turns of wire per centimeter
  2.    A solenoid of radius 2 cm, length 2 cm, and with 100 turns of wire per centimeter
  3.    A solenoid of radius 1 cm, length 1 cm, and with 200 turns of wire per centimeter
  4.    A solenoid of radius 2 cm, length 5 cm, and with 100 turns of wire per centimeter
 Discuss Question
Answer: Option D. -> A solenoid of radius 2 cm, length 5 cm, and with 100 turns of wire per centimeter
Question 3. A 10-turn ideal solenoid has an inductance of 4
  1.    0.5 A/s
  2.    50 A/s
  3.    250 A/s
  4.    500 A/s
 Discuss Question
Answer: Option D. -> 500 A/s
Question 4. Which of the following factors DOES NOT affect the self inductance of a coil?
  1.    The length of the coil
  2.    The current flows in the coil
  3.    The number of turn of the coil
  4.    The cross sectional area of the coil
 Discuss Question
Answer: Option A. -> The length of the coil
Question 5. An airplane with a wingspan of 60
  1.    250 m/s
  2.    338 m/s
  3.    375 m/s
  4.    417 m/s
 Discuss Question
Answer: Option C. -> 375 m/s
Question 6. A 10-turn ideal solenoid has an inductance of 3
  1.    0 Wb
  2.    3.5 x 10^–4 Wb
  3.    7.0 x 10^–4 Wb
  4.    7.0 x 10^–3 Wb
 Discuss Question
Answer: Option C. -> 7.0 x 10^–4 Wb
Question 7. Which component opposes any change in current?
  1.    Diode
  2.    Transistor
  3.    Inductor
  4.    Capacitor
 Discuss Question
Answer: Option C. -> Inductor
Question 8. 1 Henry is equivalent to
  1.    Weber.Tesla
  2.    V.s/A
  3.    Tesla/s
  4.    Weber.A/s
 Discuss Question
Answer: Option B. -> V.s/A

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