VLSI - FET MCQs : This section focuses on the "VLSI - FET". These Multiple Choice Questions (MCQs) should be practiced to improve the VLSI - FET skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
Field effect transistor uses ________ to control the shape.
A. electric field
B. magnetic field
C. current distribution
D. voltage distribution
Question 2
Field effect transistor’s conductivity is regulated by
A. input current
B. output current
C. terminal voltage
D. supply voltage
Question 3
Field effect transistors are known as
A. unipolar device
B. bipolar device
C. tripolar device
D. multipolar device
Question 4
In FET, the current enters the channel through
A. source
B. drain
C. gate
D. nodes
Question 5
In FET, the width is greater than the length of the gate.
A. TRUE
B. FALSE
Question 6
The expansion of depletion region in n-channel device makes the channel
A. narrow
B. wide
C. does not affect the channel
D. cannot be determined
Question 7
The FET has __________ input impedance.
A. low
B. high
C. all of the mentioned
D. none of the mentioned
Question 8
Which mode of operation of FET is used, when amplification is needed?
A. active
B. saturation
C. non saturation
D. linear
Question 9
Which relation is correct?
A. Vgs greater than Vds
B. Vds greater than Vgs
C. Vds equal to Vgs
D. Vgs lesser than Vds
Question 10
Which terminal bias the transistor to operation?
A. source
B. drain
C. gate
D. base
Question 11
Which terminal controls the electron flow passage?
A. source
B. drain
C. gate
D. base
Question 12
Which voltage increases the channel size?
A. negative Vgs
B. positive Vgs
C. negative Vds
D. positive Vds