Inductors Questions and Answers

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Inductors are essential components in electronics circuits that store energy in a magnetic field when electrical current flows through them. Understanding inductors is crucial for candidates preparing for GATE, ISRO, DRDO, and ECE placement exams, where aptitude questions and answers related to inductors frequently appear. These questions often test concepts like inductive reactance, energy storage, mutual inductance, and RL circuit behavior. Mastering these fundamentals helps in analyzing real-world circuit performance. This section provides electronics questions with answers and explanations on inductors, enabling learners to strengthen their concepts and prepare effectively for competitive exams. Practice these aptitude questions with detailed solutions to enhance your technical understanding and speed.

Inductors

Showing 10 of 99 questions

71. When a load is not connected to the secondary of a transformer:

  • primary current is zero
  • primary current is inversely proportional to primary impedance
  • secondary voltage is zero
  • secondary voltage is proportional to primary impedance
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72. The primary winding of a transformer is the side connected to the load.

  • TRUE
  • FALSE
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73. An air-core inductor has a metal core.

  • TRUE
  • FALSE
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74. The time constant of an inductive circuit is dependent on the circuit's resistance.

  • TRUE
  • FALSE
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75. The amount of dc current that an inductor will allow to pass depends on the circuit's total resistance that is in series with it.

  • TRUE
  • FALSE
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76. An inductor will boost current flow.

  • TRUE
  • FALSE
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77. A step-up transformer will have a turns ratio greater than 1.

  • TRUE
  • FALSE
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78. The secondary current in a transformer depends on the secondary voltage and load resistance values.

  • TRUE
  • FALSE
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79. Kirchhoff's voltage law does not apply to series RL circuits.

  • TRUE
  • FALSE
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80. Magnetic force is the force that produces a magnetic field.

  • TRUE
  • FALSE
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