FET Biasing MCQs : This section focuses on the "FET Biasing". These Multiple Choice Questions (MCQs) should be practiced to improve the FET Biasing skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
Find the gate to source voltage for voltage divider having R1=R2=2KΩ and VDD=12V, ID=1mA and RS=4KΩ?
A. 3V
B. 2V
C. 0V
D. 1V
Question 2
Find the gate voltage for voltage divider having R1=R2=1KΩ and VDD=5V?
A. 1V
B. 5V
C. 3V
D. 2.5V
Question 3
For a fixed bias circuit the drain current was 1mA, VDD=12V, determine drain resistance required if VDS=10V?
A. 1KΩ
B. 1.5KΩ
C. 2KΩ
D. 4KΩ
Question 4
For a fixed bias circuit the drain current was 1mA, what is the value of source current?
A. 0mA
B. 1mA
C. 2mA
D. 3mA
Question 5
For a self-bias circuit, find drain to source voltage if VDD=12V, ID=1mA, Rs=RD=1KΩ?
A. 1V
B. 2V
C. 10V
D. 5V
Question 6
What is the current flowing through the R1 resistor for voltage divider (R1=R2=1KΩ, VDD=10V)?
A. 5mA
B. 3mA
C. 1mA
D. 2mA
Question 7
What will happen if values of Rs increase?
A. Vgs Increases
B. Vgs Decreases
C. Vgs Remains the same
D. Vgs=0
Question 8
Which of the following equation brings the relation between gate to source voltage and drain current in Self Bias?
A. Vgs=VDD
B. Vgs=-ID Rs
C. Vgs=0
D. Vgs=1+ID Rs
Question 9
Which of the following equations gives the relation between ID and Vgs?
A. ID=IDSS (1-Vgs/Vp)2
B. ID=IDSS (1-Vgs/Vp)1
C. ID=IDSS (1-Vgs/Vp)3
D. ID=IDSS (1-Vgs/Vp)4
Question 10
Which of the following relation is true about gate current?
A. IG=ID+IS
B. ID=IG
C. IS= IG
D. IG=0