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 - 3

Question 1:

The pinch-off voltage of a JFET is about ___________

A. 5 V
B. 0.6 V
C. 15 V
D. 25 V

Check Answer

Correct Answer – (A)

Question 2 :

The transconductance of a JFET ranges from ___________

A. 100 to 500 mA/V
B. 500 to 1000 mA/V
C. 0.5 to 30 mA/V
D. above 1000 mA/V

Check Answer

Correct Answer – (C)

Question 3 :

___________ has the lowest noise-level

A. triode
B. ordinary transistor
C. tetrode
D. JFET

Check Answer

Correct Answer – (D)

Question 4 :

When drain voltage equals the pinch-off-voltage, then drain current ___________ with the increase in drain voltage

A. decreases
B. increases
C. remains constant
D. none of the above

Check Answer

Correct Answer – (C)

Question 5 :

At cut-off, the JFET channel is ___________

A. at its widest point
B. completely closed by the depletion region
C. extremely narrow
D. reverse baised

Check Answer

Correct Answer – (B)

MCQ Questions Electrical Engineering Field Effect Transistors

Question 6:

In a p-channel JFET, the charge carriers are ___________

A. electrons
B. holes
C. both electrons and holes
D. none of the above

Check Answer

Correct Answer – (B)

Question 7:

Which of the following devices has the highest input impedance?

A. JFET
B. MOSFET
C. Crystal diode
D. ordinary transistor

Check Answer

Correct Answer – (B)

Question 8:

A n-channel D-MOSFET with a positive VGS is operating in ___________

A. the depletion-mode
B. the enhancement-mode
C. cut off
D. saturation

Check Answer

Correct Answer – (B)

Question 9:

For VGS = 0 V, the drain current becomes constant when VDS exceeds

A. cut off
B. VDD
C. VP
D. 0 V

Check Answer

Correct Answer – (C)

Question 10:

The pinch-off voltage in a JFET is analogous to ___________ voltage in a vacuum tube

A. anode
B. cathode
C. grid cut off
D. none of the above

Check Answer

Correct Answer – (C)

MCQ Questions Electrical Engineering Field Effect Transistors

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