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Question

In a properly biased PNP transistor operating in active region, the emitter terminal is _______.

The correct answer is

more positive than the base

For a PNP transistor in the active region:

  • Emitter-Base junction: forward biased
  • For a p-n junction to be forward biased: the p-side (emitter) must be at a higher potential than the n-side (base).
  • Therefore, the emitter is more positive than the base.
  • Collector-Base junction: reverse biased (collector more negative than base for PNP).
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Similar Questions

  1. A PNP transistor is operating in active region. If the emitter voltage decreases such that the emitter becomes less positive than the base while the biasing condition of the collector-base junction remains unchanged, the transistor will enter _______.

  2. A PNP transistor is fabricated with an increased base doping concentration while keeping all other physical dimensions and doping levels constant. What is the effect on the transistor's performance?


Important Questions from Bipolar Junction Transistor

  1. Photo transistor is used for:

  2. The base of BJT is-

  3. The leakage current in an NPN transistor is due to the flow of:

  4. Which of the following transistor configuration has the lowest input resistance?

  5. In a junction transistor, recombination of electrons and holes occurs in

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