Electrical Engineering (EE) Exam > Electrical Engineering (EE) Questions > 5. I npn - transistors are preferred over pnp...
Start Learning for Free
5. I npn - transistors are preferred over pnptransistors?
- a)leakage current in npn - transistor is lessthan pnp - transistors ?
- b)mobility of majority carrier in npn -transistors is greater than the mobility ofmajority carrier in pnp - transistors
- c)voltage required in npn in less than in pnp -transistors.
- d)voltage required in pnp is greater than inpnp - transistors
Correct answer is option 'B'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Most Upvoted Answer
5. I npn - transistors are preferred over pnptransistors?a)leakage cur...
Why NPN Transistors Are Preferred Over PNP Transistors
NPN transistors are often favored in electronic circuits for several reasons, primarily related to their performance characteristics.
Key Reasons:
- Carrier Mobility:
- The majority carriers in NPN transistors are electrons, which have a higher mobility compared to holes, the majority carriers in PNP transistors.
- Higher electron mobility leads to faster switching speeds and better performance in amplifying signals.
- Leakage Current:
- While leakage current in NPN transistors is generally lower than that in PNP transistors, it is not the primary reason for preference. The main concern is the mobility of the carriers.
- Voltage Requirements:
- NPN transistors typically require less base-emitter voltage to turn on than PNP types. This characteristic allows for easier integration into circuits, especially when interfacing with digital logic levels.
- Common Usage:
- NPN transistors are more commonly used in digital circuits, especially in applications involving low-side switching. This is due to their ability to operate efficiently with positive supply voltages.
Conclusion:
In summary, the preference for NPN transistors over PNP transistors largely hinges on the greater mobility of electrons compared to holes. This results in improved performance characteristics, making NPN transistors the go-to choice in many electronic applications.
NPN transistors are often favored in electronic circuits for several reasons, primarily related to their performance characteristics.
Key Reasons:
- Carrier Mobility:
- The majority carriers in NPN transistors are electrons, which have a higher mobility compared to holes, the majority carriers in PNP transistors.
- Higher electron mobility leads to faster switching speeds and better performance in amplifying signals.
- Leakage Current:
- While leakage current in NPN transistors is generally lower than that in PNP transistors, it is not the primary reason for preference. The main concern is the mobility of the carriers.
- Voltage Requirements:
- NPN transistors typically require less base-emitter voltage to turn on than PNP types. This characteristic allows for easier integration into circuits, especially when interfacing with digital logic levels.
- Common Usage:
- NPN transistors are more commonly used in digital circuits, especially in applications involving low-side switching. This is due to their ability to operate efficiently with positive supply voltages.
Conclusion:
In summary, the preference for NPN transistors over PNP transistors largely hinges on the greater mobility of electrons compared to holes. This results in improved performance characteristics, making NPN transistors the go-to choice in many electronic applications.
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
5. I npn - transistors are preferred over pnptransistors?a)leakage current in npn - transistor is lessthan pnp - transistors ?b)mobility of majority carrier in npn -transistors is greater than the mobility ofmajority carrier in pnp - transistorsc)voltage required in npn in less than in pnp -transistors.d)voltage required in pnp is greater than inpnp - transistorsCorrect answer is option 'B'. Can you explain this answer?
Question Description
5. I npn - transistors are preferred over pnptransistors?a)leakage current in npn - transistor is lessthan pnp - transistors ?b)mobility of majority carrier in npn -transistors is greater than the mobility ofmajority carrier in pnp - transistorsc)voltage required in npn in less than in pnp -transistors.d)voltage required in pnp is greater than inpnp - transistorsCorrect answer is option 'B'. 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 5. I npn - transistors are preferred over pnptransistors?a)leakage current in npn - transistor is lessthan pnp - transistors ?b)mobility of majority carrier in npn -transistors is greater than the mobility ofmajority carrier in pnp - transistorsc)voltage required in npn in less than in pnp -transistors.d)voltage required in pnp is greater than inpnp - transistorsCorrect answer is option 'B'. 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 5. I npn - transistors are preferred over pnptransistors?a)leakage current in npn - transistor is lessthan pnp - transistors ?b)mobility of majority carrier in npn -transistors is greater than the mobility ofmajority carrier in pnp - transistorsc)voltage required in npn in less than in pnp -transistors.d)voltage required in pnp is greater than inpnp - transistorsCorrect answer is option 'B'. Can you explain this answer?.
5. I npn - transistors are preferred over pnptransistors?a)leakage current in npn - transistor is lessthan pnp - transistors ?b)mobility of majority carrier in npn -transistors is greater than the mobility ofmajority carrier in pnp - transistorsc)voltage required in npn in less than in pnp -transistors.d)voltage required in pnp is greater than inpnp - transistorsCorrect answer is option 'B'. 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 5. I npn - transistors are preferred over pnptransistors?a)leakage current in npn - transistor is lessthan pnp - transistors ?b)mobility of majority carrier in npn -transistors is greater than the mobility ofmajority carrier in pnp - transistorsc)voltage required in npn in less than in pnp -transistors.d)voltage required in pnp is greater than inpnp - transistorsCorrect answer is option 'B'. 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 5. I npn - transistors are preferred over pnptransistors?a)leakage current in npn - transistor is lessthan pnp - transistors ?b)mobility of majority carrier in npn -transistors is greater than the mobility ofmajority carrier in pnp - transistorsc)voltage required in npn in less than in pnp -transistors.d)voltage required in pnp is greater than inpnp - transistorsCorrect answer is option 'B'. Can you explain this answer?.
Solutions for 5. I npn - transistors are preferred over pnptransistors?a)leakage current in npn - transistor is lessthan pnp - transistors ?b)mobility of majority carrier in npn -transistors is greater than the mobility ofmajority carrier in pnp - transistorsc)voltage required in npn in less than in pnp -transistors.d)voltage required in pnp is greater than inpnp - transistorsCorrect answer is option 'B'. 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 5. I npn - transistors are preferred over pnptransistors?a)leakage current in npn - transistor is lessthan pnp - transistors ?b)mobility of majority carrier in npn -transistors is greater than the mobility ofmajority carrier in pnp - transistorsc)voltage required in npn in less than in pnp -transistors.d)voltage required in pnp is greater than inpnp - transistorsCorrect answer is option 'B'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
5. I npn - transistors are preferred over pnptransistors?a)leakage current in npn - transistor is lessthan pnp - transistors ?b)mobility of majority carrier in npn -transistors is greater than the mobility ofmajority carrier in pnp - transistorsc)voltage required in npn in less than in pnp -transistors.d)voltage required in pnp is greater than inpnp - transistorsCorrect answer is option 'B'. Can you explain this answer?, a detailed solution for 5. I npn - transistors are preferred over pnptransistors?a)leakage current in npn - transistor is lessthan pnp - transistors ?b)mobility of majority carrier in npn -transistors is greater than the mobility ofmajority carrier in pnp - transistorsc)voltage required in npn in less than in pnp -transistors.d)voltage required in pnp is greater than inpnp - transistorsCorrect answer is option 'B'. Can you explain this answer? has been provided alongside types of 5. I npn - transistors are preferred over pnptransistors?a)leakage current in npn - transistor is lessthan pnp - transistors ?b)mobility of majority carrier in npn -transistors is greater than the mobility ofmajority carrier in pnp - transistorsc)voltage required in npn in less than in pnp -transistors.d)voltage required in pnp is greater than inpnp - transistorsCorrect answer is option 'B'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice 5. I npn - transistors are preferred over pnptransistors?a)leakage current in npn - transistor is lessthan pnp - transistors ?b)mobility of majority carrier in npn -transistors is greater than the mobility ofmajority carrier in pnp - transistorsc)voltage required in npn in less than in pnp -transistors.d)voltage required in pnp is greater than inpnp - transistorsCorrect answer is option 'B'. 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
|
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup