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A BJT is said to be operating in the saturationregion if
  • a)
    Both the junctions are reverse biased
  • b)
    Base - emitter junction is reverse biased andbase - collector junction is forward biased
  • c)
    Base - emitter junction is forward biasedand non- base collector is reverse biased
  • d)
    Both the junction are forward biased
Correct answer is option 'D'. Can you explain this answer?
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A BJT is said to be operating in the saturationregion ifa)Both the jun...
Understanding BJT Saturation Region
The saturation region of a Bipolar Junction Transistor (BJT) is crucial for its operation in switching applications. Here's a breakdown of what this means:
Definition of Saturation Region
- A BJT is said to be in the saturation region when both the base-emitter (BE) and base-collector (BC) junctions are forward biased. This allows maximum current to flow through the transistor.
Forward Bias Explained
- Base-Emitter Junction: This junction must be forward biased to allow current to flow from the emitter to the base. This enables the transistor to conduct.
- Base-Collector Junction: When this junction is also forward biased, it allows the majority charge carriers to flow freely from the base to the collector, further enhancing current flow.
Consequences of Saturation
- In saturation, the BJT operates effectively as a closed switch, providing low resistance and allowing a large collector current (IC) for a small base current (IB).
- This state is essential in switching applications, where the goal is to turn the transistor fully "on," minimizing voltage drop across the device.
Conclusion
- The correct answer to the question is option 'D' because only when both junctions are forward biased can the BJT operate in the saturation region, allowing it to perform its function efficiently in electronic circuits.
Understanding this principle is vital for designing and analyzing circuits that utilize BJTs, especially in digital and analog applications.
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A BJT is said to be operating in the saturationregion ifa)Both the junctions are reverse biasedb)Base - emitter junction is reverse biased andbase - collector junction is forward biasedc)Base - emitter junction is forward biasedand non- base collector is reverse biasedd)Both the junction are forward biasedCorrect answer is option 'D'. Can you explain this answer?
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A BJT is said to be operating in the saturationregion ifa)Both the junctions are reverse biasedb)Base - emitter junction is reverse biased andbase - collector junction is forward biasedc)Base - emitter junction is forward biasedand non- base collector is reverse biasedd)Both the junction are forward biasedCorrect answer is option 'D'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about A BJT is said to be operating in the saturationregion ifa)Both the junctions are reverse biasedb)Base - emitter junction is reverse biased andbase - collector junction is forward biasedc)Base - emitter junction is forward biasedand non- base collector is reverse biasedd)Both the junction are forward biasedCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A BJT is said to be operating in the saturationregion ifa)Both the junctions are reverse biasedb)Base - emitter junction is reverse biased andbase - collector junction is forward biasedc)Base - emitter junction is forward biasedand non- base collector is reverse biasedd)Both the junction are forward biasedCorrect answer is option 'D'. Can you explain this answer?.
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