Electrical Engineering (EE) Exam > Electrical Engineering (EE) Questions > The action of a JFET in its equivalent circui...
Start Learning for Free
The action of a JFET in its equivalent circuit canbest be represented as a
- a)Current controlled current source
- b)Current controlled voltage source
- c)Voltage controlled voltage source
- d)Voltage controlled current source
Correct answer is option 'D'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Most Upvoted Answer
The action of a JFET in its equivalent circuit canbest be represented ...
The JFET Action
The Junction Field Effect Transistor (JFET) operates by controlling current flow through the device using voltage applied to the gate terminal. This characteristic leads to its classification in circuit theory.
Current Source Behavior
- A JFET behaves like a current source because the output current (drain current) is primarily determined by the gate-source voltage (Vgs).
- The relationship between these variables allows the JFET to control a larger output current with a smaller input voltage.
Voltage Control
- The gate terminal of the JFET is reverse-biased, meaning that it requires a voltage to control the depletion region, which in turn regulates the current flowing from the drain to the source.
- The current through the device is controlled by the voltage applied to the gate, making it a voltage-controlled device.
Current Source Model
- In the equivalent circuit, the JFET can be represented as a voltage-controlled current source (VCCS).
- This means the output current is dependent on the voltage applied to the gate, making it a key feature of its operation.
Conclusion
The correct answer is option D: Voltage controlled current source. This representation is crucial for understanding how JFETs function in electronic circuits, highlighting their role in amplification and switching applications. The voltage applied to the gate effectively controls the current flowing through the device, exemplifying the characteristics of a voltage-controlled current source.
The Junction Field Effect Transistor (JFET) operates by controlling current flow through the device using voltage applied to the gate terminal. This characteristic leads to its classification in circuit theory.
Current Source Behavior
- A JFET behaves like a current source because the output current (drain current) is primarily determined by the gate-source voltage (Vgs).
- The relationship between these variables allows the JFET to control a larger output current with a smaller input voltage.
Voltage Control
- The gate terminal of the JFET is reverse-biased, meaning that it requires a voltage to control the depletion region, which in turn regulates the current flowing from the drain to the source.
- The current through the device is controlled by the voltage applied to the gate, making it a voltage-controlled device.
Current Source Model
- In the equivalent circuit, the JFET can be represented as a voltage-controlled current source (VCCS).
- This means the output current is dependent on the voltage applied to the gate, making it a key feature of its operation.
Conclusion
The correct answer is option D: Voltage controlled current source. This representation is crucial for understanding how JFETs function in electronic circuits, highlighting their role in amplification and switching applications. The voltage applied to the gate effectively controls the current flowing through the device, exemplifying the characteristics of a voltage-controlled current source.
Free Test
FREE
| Start Free Test |
Community Answer
The action of a JFET in its equivalent circuit canbest be represented ...
Why not c
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
|
|
Top Courses for Electrical Engineering (EE)View all
The action of a JFET in its equivalent circuit canbest be represented as aa)Current controlled current sourceb)Current controlled voltage sourcec)Voltage controlled voltage sourced)Voltage controlled current sourceCorrect answer is option 'D'. Can you explain this answer?
Question Description
The action of a JFET in its equivalent circuit canbest be represented as aa)Current controlled current sourceb)Current controlled voltage sourcec)Voltage controlled voltage sourced)Voltage controlled current sourceCorrect 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 The action of a JFET in its equivalent circuit canbest be represented as aa)Current controlled current sourceb)Current controlled voltage sourcec)Voltage controlled voltage sourced)Voltage controlled current sourceCorrect 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 The action of a JFET in its equivalent circuit canbest be represented as aa)Current controlled current sourceb)Current controlled voltage sourcec)Voltage controlled voltage sourced)Voltage controlled current sourceCorrect answer is option 'D'. Can you explain this answer?.
The action of a JFET in its equivalent circuit canbest be represented as aa)Current controlled current sourceb)Current controlled voltage sourcec)Voltage controlled voltage sourced)Voltage controlled current sourceCorrect 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 The action of a JFET in its equivalent circuit canbest be represented as aa)Current controlled current sourceb)Current controlled voltage sourcec)Voltage controlled voltage sourced)Voltage controlled current sourceCorrect 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 The action of a JFET in its equivalent circuit canbest be represented as aa)Current controlled current sourceb)Current controlled voltage sourcec)Voltage controlled voltage sourced)Voltage controlled current sourceCorrect answer is option 'D'. Can you explain this answer?.
Solutions for The action of a JFET in its equivalent circuit canbest be represented as aa)Current controlled current sourceb)Current controlled voltage sourcec)Voltage controlled voltage sourced)Voltage controlled current sourceCorrect answer is option 'D'. 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 The action of a JFET in its equivalent circuit canbest be represented as aa)Current controlled current sourceb)Current controlled voltage sourcec)Voltage controlled voltage sourced)Voltage controlled current sourceCorrect answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
The action of a JFET in its equivalent circuit canbest be represented as aa)Current controlled current sourceb)Current controlled voltage sourcec)Voltage controlled voltage sourced)Voltage controlled current sourceCorrect answer is option 'D'. Can you explain this answer?, a detailed solution for The action of a JFET in its equivalent circuit canbest be represented as aa)Current controlled current sourceb)Current controlled voltage sourcec)Voltage controlled voltage sourced)Voltage controlled current sourceCorrect answer is option 'D'. Can you explain this answer? has been provided alongside types of The action of a JFET in its equivalent circuit canbest be represented as aa)Current controlled current sourceb)Current controlled voltage sourcec)Voltage controlled voltage sourced)Voltage controlled current sourceCorrect answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice The action of a JFET in its equivalent circuit canbest be represented as aa)Current controlled current sourceb)Current controlled voltage sourcec)Voltage controlled voltage sourced)Voltage controlled current sourceCorrect answer is option 'D'. 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