Explore topic-wise MCQs in Electronic Devices.

This section includes 23 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices knowledge and support exam preparation. Choose a topic below to get started.

1.

For what value of R can the depletion-type MOSFETs operate in enhancement mode?

A. 2.4 k
B. 5 k
C. 6.2 k
D. None of the above
Answer» D. None of the above
Discussion
2.

For what value of R is V equal to 1 V?

A. 10 M
B. 100 M
C. 110 M
D. 220 M
Answer» C. 110 M
Discussion
3.

For what value of R is the voltage across V zero?

A. 2.400 k
B. 5.167 k
C. 6.167 k
D. 6.670 k
Answer» C. 6.167 k
Discussion
4.

At what value of R does the circuit switch from depletion mode to enhancement mode?

A. 250
B. 500
C. 10 M
D. None of the above
Answer» B. 500
Discussion
5.

Calculate the value of R. Assume V = −2V.

A. 0 k
B. 1.68 k
C. 6.81 k
D. 8.5 k
Answer» C. 6.81 k
Discussion
6.

Calculate the value of R.

A. 2 k
B. 3 k
C. 3.5 k
D. 4.13 k
Answer» E.
Discussion
7.

Which of the following represents the voltage level of V in a self-bias configuration?

A. V
B. V
C. V
D. V
Answer» D. V
Discussion
8.

What are the voltages across R and R?

A. 0 V, 0 V
B. 5 V, 5 V
C. 10 V, 10 V
D. 20 V, 20 V
Answer» B. 5 V, 5 V
Discussion
9.

Depletion-type MOSFETs do not permit operating points with positive values of V and levels of I that exceed I.

A. True
B. False
Answer» C.
Discussion
10.

________ levels of R result in ________ quiescent values of I and ________ negative values of V.

A. Increased, lower, less
B. Increased, higher, less
C. Increased, higher, more
D. Increased, less, lower
Answer» B. Increased, higher, less
Discussion
11.

In an enhancement-type MOSFET, the drain current is zero for levels of V less than the ________ level.

A. V
B. V
C. V
D. V
Answer» B. V
Discussion
12.

In -channel FETs, the level of V is ________ while the level of V is ________.

A. negative, negative
B. positive, positive
C. negative, positive
D. positive, negative
Answer» E.
Discussion
13.

When plotting the transfer characteristics, choosing V = 0.5V will result in a drain current level of ________ I.

A. 0
B. 0.25
C. 0.5
D. 1
Answer» C. 0.5
Discussion
14.

What is the new value of R when there is 7 V across V?

A. 3 k
B. 3.3 k
C. 4 k
D. 5 k
Answer» C. 4 k
Discussion
15.

The level of V is typically between ________ % and ________ % of V.

A. 0, 100
B. 10, 90
C. 25, 75
D. None of the above
Answer» D. None of the above
Discussion
16.

In a universal JFET bias curve, the vertical scale labeled is used for finding the solution to the ________ configuration.

A. fixed-bias
B. self-bias
C. voltage-divider
D. None of the above
Answer» D. None of the above
Discussion
17.

Determine the quiescent values of I and V.

A. 1.2 mA, –1.8 V
B. 1.5 mA, –1.5 V
C. 2.0 mA, –1.2 V
D. 3.0 mA, –0.8 V
Answer» C. 2.0 mA, –1.2 V
Discussion
18.

For R smaller than ________ k the voltage V is equal to V = 16 V.

A. 3.75
B. 5
C. 12.0
D. 24
Answer» B. 5
Discussion
19.

In a depletion-type MOSFET, the transfer characteristic rises ________ as V becomes more positive.

A. less rapidly
B. more rapidly
C. the same
D. None of the above
Answer» C. the same
Discussion
20.

In a universal JFET bias curve, the vertical scale labeled is used to find the solution to the ________ configuration.

A. fixed-bias
B. self-bias
C. voltage-divider
D. None of the above
Answer» B. self-bias
Discussion
21.

In a fixed-bias configuration, the voltage level of V is equal to ________.

A. V
B. V
C. V
D. V
Answer» C. V
Discussion
22.

The ratio of current I to I is equal to ________ for a fixed-bias configuration.

A. 0
B. 0.25
C. 0.5
D. 1
Answer» E.
Discussion
23.

Determine the value of V.

A. 3.5 V
B. 4.86 V
C. 7.14 V
D. 10 V
Answer» B. 4.86 V
Discussion