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Question

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

This question was previously asked in
RRB JE 2025 CBT 2 Mechanical and Allied Engg Question Paper English (2-Jul-2026) (Shift-1)
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. Which of the following configuration is used for Emitter follower Amplifier?

  4. What happens if a voltage of about 0.7 V is applied across the base and emitter of the NPN transistor?

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

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