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For a narrow base PNP BJT, the excess minority carrier concentration (ΔnE for emitter, ΔpB for base.ΔnC for collector) normalized to equilibrium minority carrier concentration (nE0 for emitter, pB0 for base, nC0 for collector) in the quasi-neutral emitter, base and collector regions are shown below. Which one of the following biasing modes is the transistor operating in?
  • a)
    Forward active
  • b)
    Saturation
  • c)
    Inverse active
  • d)
    Cutoff
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
For a narrow base PNP BJT, the excess minority carrier concentration (...
As per the change carrier profile, base – to – emitter junction is reverse bias and base to collector junction is forward bias, so it works in Inverse active.
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For a narrow base PNP BJT, the excess minority carrier concentration (ΔnE for emitter, ΔpB for base.ΔnC for collector) normalized to equilibrium minority carrier concentration (nE0 for emitter, pB0 for base, nC0 for collector) in the quasi-neutral emitter, base and collector regions are shown below. Which one of the following biasing modes is the transistor operating in?a)Forward activeb)Saturationc)Inverse actived)CutoffCorrect answer is option 'C'. Can you explain this answer?
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For a narrow base PNP BJT, the excess minority carrier concentration (ΔnE for emitter, ΔpB for base.ΔnC for collector) normalized to equilibrium minority carrier concentration (nE0 for emitter, pB0 for base, nC0 for collector) in the quasi-neutral emitter, base and collector regions are shown below. Which one of the following biasing modes is the transistor operating in?a)Forward activeb)Saturationc)Inverse actived)CutoffCorrect answer is option 'C'. Can you explain this answer? for Electronics and Communication Engineering (ECE) 2024 is part of Electronics and Communication Engineering (ECE) preparation. The Question and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus. Information about For a narrow base PNP BJT, the excess minority carrier concentration (ΔnE for emitter, ΔpB for base.ΔnC for collector) normalized to equilibrium minority carrier concentration (nE0 for emitter, pB0 for base, nC0 for collector) in the quasi-neutral emitter, base and collector regions are shown below. Which one of the following biasing modes is the transistor operating in?a)Forward activeb)Saturationc)Inverse actived)CutoffCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Electronics and Communication Engineering (ECE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For a narrow base PNP BJT, the excess minority carrier concentration (ΔnE for emitter, ΔpB for base.ΔnC for collector) normalized to equilibrium minority carrier concentration (nE0 for emitter, pB0 for base, nC0 for collector) in the quasi-neutral emitter, base and collector regions are shown below. Which one of the following biasing modes is the transistor operating in?a)Forward activeb)Saturationc)Inverse actived)CutoffCorrect answer is option 'C'. Can you explain this answer?.
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