Electrical Engineering (EE) Exam > Electrical Engineering (EE) Questions > Which of the following is true for a pnp tran...
Start Learning for Free
Which of the following is true for a pnp transistor in active region?
- a)CB junction is reversed bias and the EB junction is forward bias
- b)CB junction is forward bias and the EB junction is forward bias
- c)CB junction is forward bias and the EB junction is reverse bias
- d)CB junction is reversed bias and the EB junction is reverse bias
Correct answer is option 'A'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Verified Answer
Which of the following is true for a pnp transistor in active region?a...
Whether the transistor in npn or pnp, for it be in active region the EB junction must be reversed bias the CB junction must be forward bias.
Most Upvoted Answer
Which of the following is true for a pnp transistor in active region?a...
Active Region of a PNP Transistor
In the active region of a PNP transistor, the transistor is biased in such a way that it can amplify signals. This means that the transistor is operating in its normal mode of operation and is neither fully turned on (saturation region) nor fully turned off (cutoff region).
Explanation of the Correct Answer
The correct answer for a PNP transistor in the active region is option 'A', which states that the collector-base (CB) junction is reverse biased and the emitter-base (EB) junction is forward biased. Let's understand why this is the correct answer:
1. CB Junction is Reverse Biased:
In the active region, the collector-base junction of a PNP transistor is reverse biased. This means that the voltage at the collector terminal (Vc) is higher than the voltage at the base terminal (Vb). The reverse biasing creates a depletion region at the junction, which prevents the flow of majority charge carriers (holes in the case of a PNP transistor) from the collector to the base.
2. EB Junction is Forward Biased:
In the active region, the emitter-base junction of a PNP transistor is forward biased. This means that the voltage at the emitter terminal (Ve) is higher than the voltage at the base terminal (Vb). The forward biasing allows the majority charge carriers (electrons in the case of a PNP transistor) to flow from the emitter to the base.
Importance of Active Region
The active region is of significant importance because it allows the transistor to function as an amplifier. In this region, the transistor exhibits a high gain, which means that a small change in the base current can result in a large change in the collector current. This property makes transistors suitable for various applications in electronics, such as amplification, switching, and signal processing.
Conclusion
In conclusion, the correct statement for a PNP transistor in the active region is that the collector-base junction is reverse biased (CB junction) and the emitter-base junction is forward biased (EB junction). This biasing configuration allows the transistor to amplify signals effectively and operate in its normal mode.
In the active region of a PNP transistor, the transistor is biased in such a way that it can amplify signals. This means that the transistor is operating in its normal mode of operation and is neither fully turned on (saturation region) nor fully turned off (cutoff region).
Explanation of the Correct Answer
The correct answer for a PNP transistor in the active region is option 'A', which states that the collector-base (CB) junction is reverse biased and the emitter-base (EB) junction is forward biased. Let's understand why this is the correct answer:
1. CB Junction is Reverse Biased:
In the active region, the collector-base junction of a PNP transistor is reverse biased. This means that the voltage at the collector terminal (Vc) is higher than the voltage at the base terminal (Vb). The reverse biasing creates a depletion region at the junction, which prevents the flow of majority charge carriers (holes in the case of a PNP transistor) from the collector to the base.
2. EB Junction is Forward Biased:
In the active region, the emitter-base junction of a PNP transistor is forward biased. This means that the voltage at the emitter terminal (Ve) is higher than the voltage at the base terminal (Vb). The forward biasing allows the majority charge carriers (electrons in the case of a PNP transistor) to flow from the emitter to the base.
Importance of Active Region
The active region is of significant importance because it allows the transistor to function as an amplifier. In this region, the transistor exhibits a high gain, which means that a small change in the base current can result in a large change in the collector current. This property makes transistors suitable for various applications in electronics, such as amplification, switching, and signal processing.
Conclusion
In conclusion, the correct statement for a PNP transistor in the active region is that the collector-base junction is reverse biased (CB junction) and the emitter-base junction is forward biased (EB junction). This biasing configuration allows the transistor to amplify signals effectively and operate in its normal mode.
Attention Electrical Engineering (EE) Students!
To make sure you are not studying endlessly, EduRev has designed Electrical Engineering (EE) study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Electrical Engineering (EE).
|
Explore Courses for Electrical Engineering (EE) exam
|
|
Similar Electrical Engineering (EE) Doubts
Top Courses for Electrical Engineering (EE)View all
Which of the following is true for a pnp transistor in active region?a)CB junction is reversed bias and the EB junction is forward biasb)CB junction is forward bias and the EB junction is forward biasc)CB junction is forward bias and the EB junction is reverse biasd)CB junction is reversed bias and the EB junction is reverse biasCorrect answer is option 'A'. Can you explain this answer?
Question Description
Which of the following is true for a pnp transistor in active region?a)CB junction is reversed bias and the EB junction is forward biasb)CB junction is forward bias and the EB junction is forward biasc)CB junction is forward bias and the EB junction is reverse biasd)CB junction is reversed bias and the EB junction is reverse biasCorrect answer is option 'A'. 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 Which of the following is true for a pnp transistor in active region?a)CB junction is reversed bias and the EB junction is forward biasb)CB junction is forward bias and the EB junction is forward biasc)CB junction is forward bias and the EB junction is reverse biasd)CB junction is reversed bias and the EB junction is reverse biasCorrect answer is option 'A'. 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 Which of the following is true for a pnp transistor in active region?a)CB junction is reversed bias and the EB junction is forward biasb)CB junction is forward bias and the EB junction is forward biasc)CB junction is forward bias and the EB junction is reverse biasd)CB junction is reversed bias and the EB junction is reverse biasCorrect answer is option 'A'. Can you explain this answer?.
Which of the following is true for a pnp transistor in active region?a)CB junction is reversed bias and the EB junction is forward biasb)CB junction is forward bias and the EB junction is forward biasc)CB junction is forward bias and the EB junction is reverse biasd)CB junction is reversed bias and the EB junction is reverse biasCorrect answer is option 'A'. 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 Which of the following is true for a pnp transistor in active region?a)CB junction is reversed bias and the EB junction is forward biasb)CB junction is forward bias and the EB junction is forward biasc)CB junction is forward bias and the EB junction is reverse biasd)CB junction is reversed bias and the EB junction is reverse biasCorrect answer is option 'A'. 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 Which of the following is true for a pnp transistor in active region?a)CB junction is reversed bias and the EB junction is forward biasb)CB junction is forward bias and the EB junction is forward biasc)CB junction is forward bias and the EB junction is reverse biasd)CB junction is reversed bias and the EB junction is reverse biasCorrect answer is option 'A'. Can you explain this answer?.
Solutions for Which of the following is true for a pnp transistor in active region?a)CB junction is reversed bias and the EB junction is forward biasb)CB junction is forward bias and the EB junction is forward biasc)CB junction is forward bias and the EB junction is reverse biasd)CB junction is reversed bias and the EB junction is reverse biasCorrect answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for Electrical Engineering (EE).
Download more important topics, notes, lectures and mock test series for Electrical Engineering (EE) Exam by signing up for free.
Here you can find the meaning of Which of the following is true for a pnp transistor in active region?a)CB junction is reversed bias and the EB junction is forward biasb)CB junction is forward bias and the EB junction is forward biasc)CB junction is forward bias and the EB junction is reverse biasd)CB junction is reversed bias and the EB junction is reverse biasCorrect answer is option 'A'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
Which of the following is true for a pnp transistor in active region?a)CB junction is reversed bias and the EB junction is forward biasb)CB junction is forward bias and the EB junction is forward biasc)CB junction is forward bias and the EB junction is reverse biasd)CB junction is reversed bias and the EB junction is reverse biasCorrect answer is option 'A'. Can you explain this answer?, a detailed solution for Which of the following is true for a pnp transistor in active region?a)CB junction is reversed bias and the EB junction is forward biasb)CB junction is forward bias and the EB junction is forward biasc)CB junction is forward bias and the EB junction is reverse biasd)CB junction is reversed bias and the EB junction is reverse biasCorrect answer is option 'A'. Can you explain this answer? has been provided alongside types of Which of the following is true for a pnp transistor in active region?a)CB junction is reversed bias and the EB junction is forward biasb)CB junction is forward bias and the EB junction is forward biasc)CB junction is forward bias and the EB junction is reverse biasd)CB junction is reversed bias and the EB junction is reverse biasCorrect answer is option 'A'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Which of the following is true for a pnp transistor in active region?a)CB junction is reversed bias and the EB junction is forward biasb)CB junction is forward bias and the EB junction is forward biasc)CB junction is forward bias and the EB junction is reverse biasd)CB junction is reversed bias and the EB junction is reverse biasCorrect answer is option 'A'. Can you explain this answer? tests, examples and also practice Electrical Engineering (EE) tests.
|
|
Explore Courses for Electrical Engineering (EE) exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup