Brief Quiz on BJT Concepts
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Questions and Answers

Which region do transistors usually operate in when used in digital circuits?

  • Breakdown region
  • Saturation and cutoff regions (correct)
  • Linear region
  • Active region

    • What is the usual input resistance of the base of an emitter-follower?

  • Very low
  • Very high (correct)
  • Open
  • Shorted to ground

    • What does the DC load line on a family of collector characteristic curves of a transistor show?

  • Saturation region
  • Cutoff region
  • Active region
  • All of the above (correct)

    • How many carriers participate in the injection process of a unipolar device?

    <p>0</p> Signup and view all the answers

    When can the input resistance of the base of a voltage-divider-biased transistor be neglected?

    <p>Only if the base current is much larger than the current through R2 (the lower bias resistor)</p> Signup and view all the answers

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