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Electrical Engineering (EE) Exam  >  Electrical Engineering (EE) Test  >  GATE Mock Test Series 2027  >  Test: Field Effect Transistors- 1 - Electrical Engineering (EE) MCQ

GATE Electrical Engineering (EE) Test: Field Effect Transistors- 1 Free


MCQ Practice Test & Solutions: Test: Field Effect Transistors- 1 (10 Questions)

You can prepare effectively for Electrical Engineering (EE) GATE Electrical Engineering (EE) Mock Test Series 2027 with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Field Effect Transistors- 1". These 10 questions have been designed by the experts with the latest curriculum of Electrical Engineering (EE) 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 30 minutes
  • - Number of Questions: 10

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Test: Field Effect Transistors- 1 - Question 1
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FET is advantageous in comparison with BJT because of

Detailed Solution: Question 1

As the input circuit of FET is reversed biased, FET exhibits a much higher input impedance (in the order of 100 MΩ) and lower output impedance. So, FET can act as an excellent buffer amplifier but the BJT has low input impedance because its input circuit is forward biased.

Test: Field Effect Transistors- 1 - Question 2
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For the operation of a depletion-type n-MOSFET, the gate voltage has to be

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Test: Field Effect Transistors- 1 - Question 3
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JFET has main drawback of

Detailed Solution: Question 3

JFET has main drawback of having small gain bandwidth product due to the junction capacitive effects and produce more signal distortion except for small signal operation.

Test: Field Effect Transistors- 1 - Question 4
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The extremely high input impedance of a MOSFET is primarily due to the

Test: Field Effect Transistors- 1 - Question 5
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In a JFET, at pinch-off voltage applied on the gate

Detailed Solution: Question 5

The “drain characteristic” or the “output characteristic” is shown below. Here, in the pinch-off region, as VDS is increased then ID almost remains constant.

Test: Field Effect Transistors- 1 - Question 6
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What is the value of transconductance when the reverse gate voltage of JFET changes from 4.0 to 3.9 V and the drain current changes from 1.3 to 1.6 mA?

Detailed Solution: Question 6

Test: Field Effect Transistors- 1 - Question 7
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A FET has a drain current of 4 mA. If IDss = 8 mA and VGS(off) = - 6V, then the value of gate to source voltage would be

Detailed Solution: Question 7



or 
or  

Test: Field Effect Transistors- 1 - Question 8
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The gate controls

Test: Field Effect Transistors- 1 - Question 9
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Which of the following statements associated with FET is/are correct compared to BJT?
1. It has higher cut-off frequencies and switching speed.
2. The performance of FET is relatively more affected by ambient temperature changes.
3. FETs are cheaper to produce.
4. FETs are suitable for the fabrication of ICs because they occupy less space than BJTs.

Detailed Solution: Question 9

  • Since FET does not suffer from minority carrier storage effects, it has higher switching speeds and cut-off frequencies.'
  • The performance of FET is relatively unaffected by ambient temperature changes compared to BJT.
  • BJTs are cheaper to produce.
  • FETs are much easier to fabricate and are particularly suitable for ICs because they occupy less space than BJTs.

Hence, statements 1 and 4 are only correct.

Test: Field Effect Transistors- 1 - Question 10
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Assertion (A): FET does not suffer from thermal breakdown.
Reason (R): FET has a positive temperature coefficient for resistance.

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About this Electrical Engineering (EE) Practice Test

This test contains 10 MCQs on Field Effect Transistors- 1 with detailed solutions for each question. It is part of the GATE Electrical Engineering (EE) Mock Test Series 2027 course on EduRev, designed to align with the current Electrical Engineering (EE) syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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