Transistor Junctions and Leads
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Questions and Answers

What are the leads labeled as in a bipolar junction transistor?

  • E, C, and B for emitter, collector, and base
  • P, N, and P for positive, negative, and positive
  • A, B, and C for anode, base, and cathode
  • E, B, and C for emitter, base, and collector (correct)

    • Why are the emitter and collector regions not interchangeable in a BJT?

  • Due to the difference in doping levels (correct)
  • Because they are physically identical
  • Due to their interchangeable nature
  • Because they have the same doping level

    • What is the bias condition for the base-emitter (BE) junction in a BJT operating as an amplifier?

  • Unbiased
  • Reverse-biased
  • Short-circuited
  • Forward-biased (correct)

    • How does the operation of a pnp transistor differ from that of an npn transistor?

    <p>The roles of the electrons and holes, the bias voltage polarities, and the current directions are all reversed (D)</p> Signup and view all the answers

    What type of bias arrangement is used for both npn and pnp BJTs for operation as an amplifier?

    <p>The base-emitter (BE) junction is forward-biased and the base-collector (BC) junction is reverse-biased (C)</p> Signup and view all the answers

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