Types of Resistors and Their Classification
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Questions and Answers

What is the primary use of an inductor?

  • Amplifying signals
  • Rectifying currents
  • Filtering (correct)
  • Oscillating circuits

    • What is the unit of inductance?

  • Ampere
  • Ohm
  • Henry (correct)
  • Farad

    • What happens when the current through an inductor is switched?

  • The induced EMF is produced in the same direction
  • The magnetic field strengthens
  • The induced EMF is produced in the opposite direction (correct)
  • The current remains unchanged

    • What is the purpose of the induced EMF in an inductor?

    <p>To maintain the current</p> Signup and view all the answers

    How is the value of an inductor usually indicated?

    <p>Through color bands</p> Signup and view all the answers

    What is the meaning of a fourth silver band on an inductor?

    <p>A tolerance of ±10%</p> Signup and view all the answers

    What is the characteristic of a device that resists change in the current through it?

    <p>Inductance</p> Signup and view all the answers

    What is the principle behind the operation of inductors?

    <p>Electromagnetic induction</p> Signup and view all the answers

    What is the purpose of inductors in power supplies?

    <p>To smooth output</p> Signup and view all the answers

    What is the range of inductance used in audio and radio frequency circuits?

    <p>Milli- or micro-Henry ranges</p> Signup and view all the answers

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