MCQ Questions Electrical Engineering Field Effect Transistors

Take a look at these MCQ Questions Electrical Engineering Field Effect Transistors for engineering interview questions and our tips on how to answer them. If you’re applying for an engineering internship, graduate scheme or entry-level job, you’ll face at least one interview as part of an engineering employer’s recruitment process. You may be interviewed by one or more members of the HR team, senior members of the engineering team you’d be joining or a mixture of both. In this section we will study MCQ Questions Electrical Engineering Field Effect Transistors.

As well as questions about your reasons for applying to the role and the employer in question, engineering recruiters will be assessing your potential in the areas that is crucial to any engineering role: technical expertise. Engineers may be asked to perform feats of fantastic technical prowess, but it will be as as part of a Justice League rather than as a solo engineering super hero.

The interviewer is almost as nervous as the candidate in most interviews. You might wonder if you look confident enough, if you will hire the right person, or if you are asking the right engineering interview questions. The last question is arguably the most crucial part to worry about when you’re interviewing candidates.

MCQ Questions Electrical Engineering Field Effect Transistors - Set - 1

Question 1:

In a certain CS JFET amplifier, RD= 1kΩ , RS= 560Ω , VDD=10V and gm= 4500 µS. If the source resistor is completely bypassed, the voltage gain is ___________

A. 450
B. 45
C. 2.52
D. 4.5

Check Answer

Correct Answer – (D)

Question 2 :

If the cross-sectional area of the channel in n-channel JEFT increases, the drain current ___________

A. is increased
B. is decreased
C. remains the same
D. none of the above

Check Answer

Correct Answer – (A)

Question 3 :

If the reverse bias on the gate of a JFET is increased, then width of the conducting channel ___________

A. is decreased
B. is increased
C. remains the same
D. none of the above

Check Answer

Correct Answer – (A)

Question 4 :

A JFET has high input impedance because ___________

A. it is made of semiconductor material
B. input is reverse biased
C. of impurity atoms
D. none of the above

Check Answer

Correct Answer – (B)

Question 5 :

The output characteristics of a JFET closely resemble the output characteristics of a ___________ valve

A. pentode
B. tetrode
C. triode
D. diode

Check Answer

Correct Answer – (A)

MCQ Questions Electrical Engineering Field Effect Transistors

Question 6:

In a certain common source D-MOSFET amplifier, Vds =3.2 V r.m. and Vgs = 280 mV r.m.s. The voltage gain is ___________

A. 1
B. 11.4
C. 8.75
D. 3.2

Check Answer

Correct Answer – (B)

Question 7:

If the gate of a JFET is made less negative, the width of the conducting channel ___________

A. remains the same
B. is decreased
C. is increased
D. none of the above

Check Answer

Correct Answer – (A)

Question 8:

A MOSFET differs from a JFET mainly because ___________

A. of power rating
B. the MOSFET has two gates
C. the JFET has a pn junction
D. none of the above

Check Answer

Correct Answer – (C)

Question 9:

The constant-current region of a JFET lies between

A. cut off and saturation
B. cut off and pinch-off
C. o and IDSS
D. pinch-off and breakdown

Check Answer

Correct Answer – (D)

Question 10:

The gate voltage in a JFET at which drain current becomes zero is called ___________ voltage

A. saturation
B. pinch-off
C. active
D. cut-off

Check Answer

Correct Answer – (B)

MCQ Questions Electrical Engineering Field Effect Transistors

NCERT Solutions & Download NCERT Textbooks

MCQ Questions Electrical Engineering Silicon Controlled Rectifiers

Multiple Choice Questions for Competitive Exams

MCQ Questions Class 11 Chemistry Environmental Chemistry with Answers

Set -1 Set -2 Set -3 Set -4 Set -5
MCQ Questions Class 11 Chemistry Hydrocarbons with Answers

Set -1 Set -2 Set -3 Set -4 Set -5
MCQ Questions Class 11 Chemistry Organic Chemistry with Answers

Set -1 Set -2 Set -3 Set -4 Set -5
MCQ Questions Class 11 Chemistry The p Block Elements with Answers

Set -1 Set -2 Set -3 Set -4 Set -5
MCQ Questions Class 11 Chemistry The s Block Elements with Answers

Set -1 Set -2 Set -3 Set -4 Set -5
MCQ Questions Class 11 Chemistry Hydrogen with Answers

Set -1 Set -2 Set -3 Set -4 Set -5