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Consider the following statements:
1. BJT is a current controlled device with a high input impedance and high gain bandwidth
2. FET is a voltage controlled device with high input impedance and low gain bandwidth
3. UJT is a negative resistance device and can be used as an oscillator.
4. BJT, FET and UJT can all be used for amplification.
 Which of the statement given above are correct?
  • a)
    1 and 2
  • b)
    2  and 3
  • c)
    3 and 4
  • d)
    1 and 4
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Consider the following statements:1. BJT is a current controlled devic...
Explanation:

1. BJT is a current controlled device with a high input impedance and high gain bandwidth:

- This statement is incorrect. BJT (Bipolar Junction Transistor) is a voltage controlled device, not a current controlled device. The base current controls the collector current through the transistor. BJT typically has a medium input impedance and moderate gain bandwidth.

2. FET is a voltage controlled device with high input impedance and low gain bandwidth:

- This statement is correct. FET (Field Effect Transistor) is a voltage controlled device, where the gate voltage controls the current flow through the device. FET has a high input impedance due to the insulated gate, and it typically has a lower gain bandwidth compared to BJT.

3. UJT is a negative resistance device and can be used as an oscillator:

- This statement is correct. UJT (Unijunction Transistor) is a three-layer, two-terminal solid-state device that exhibits negative resistance characteristics. It can be used as an oscillator in relaxation-type oscillators.

4. BJT, FET, and UJT can all be used for amplification:

- This statement is correct. BJT, FET, and UJT can be used for amplification in electronic circuits. BJT and FET are commonly used as voltage amplifiers, while UJT is used in relaxation oscillators.

Therefore, the correct statements are:
- Statement 2: FET is a voltage controlled device with high input impedance and low gain bandwidth.
- Statement 3: UJT is a negative resistance device and can be used as an oscillator.

The correct answer is option B: 2 and 3.
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Consider the following statements:1. BJT is a current controlled device with a high input impedance and high gain bandwidth2. FET is a voltage controlled device with high input impedance and low gain bandwidth3. UJT is a negative resistance device and can be used as an oscillator.4. BJT, FET and UJT can all be used for amplification.Which of the statement given above are correct?a)1 and 2b)2 and 3c)3 and 4d)1 and 4Correct answer is option 'B'. Can you explain this answer?
Question Description
Consider the following statements:1. BJT is a current controlled device with a high input impedance and high gain bandwidth2. FET is a voltage controlled device with high input impedance and low gain bandwidth3. UJT is a negative resistance device and can be used as an oscillator.4. BJT, FET and UJT can all be used for amplification.Which of the statement given above are correct?a)1 and 2b)2 and 3c)3 and 4d)1 and 4Correct 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 Consider the following statements:1. BJT is a current controlled device with a high input impedance and high gain bandwidth2. FET is a voltage controlled device with high input impedance and low gain bandwidth3. UJT is a negative resistance device and can be used as an oscillator.4. BJT, FET and UJT can all be used for amplification.Which of the statement given above are correct?a)1 and 2b)2 and 3c)3 and 4d)1 and 4Correct 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 Consider the following statements:1. BJT is a current controlled device with a high input impedance and high gain bandwidth2. FET is a voltage controlled device with high input impedance and low gain bandwidth3. UJT is a negative resistance device and can be used as an oscillator.4. BJT, FET and UJT can all be used for amplification.Which of the statement given above are correct?a)1 and 2b)2 and 3c)3 and 4d)1 and 4Correct answer is option 'B'. Can you explain this answer?.
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