1. . What is the main advantage of FET which makes it more useful in industrial applications?
(A) Less cost
(B) Voltage controlled operation
(C) Small size
(D) Semiconductor device
2. . To use FET as a voltage controlled resistor, in which region it should operate?
(A) cut off and saturation
(B) cut off
(C) Saturation
(D) Ohmic region
3. . For a p-channel FET, What is the direction of current flow?
(A) Source to drain
(B) Gate to source
(C) Drain to source
(D) Gate to drain
4. . A JFET is also called …………… transistor
(A) none of the above
(B) Bipolar
(C) Unijunction
(D) Unipolar
5. . When drain voltage equals the pinch-off-voltage, then drain current …………. with the increase in drain voltage
(A) Decreases
(B) remains constant
(C) Increases
(D) none of the above
6. . The input control parameter of a JFET is ……………
(A) drain voltage
(B) source voltage
(C) gate voltage
(D) gate current
7. . To bias a e-MOSFET ___________
(A) we can use either self bias or a voltage divider bias circuit
(B) we can use either gate bias or a self bias circuit
(C) we can use either gate bias or a voltage divider bias circuit
(D) we can use any type of bias circuit
8. . Which of the following statements are true?
P: JFET is biased to operate it in active region
MOSFET is biased to operate it in saturation region
(A) P is correct and Q is incorrect
(B) Both P and Q are correct
(C) P is incorrect and Q is correct
(D) Both P and Q are incorrect
9. . Which of the following relation is true about gate current?
(A) IG=ID+IS
(B) IG=0
(C) IS= IG
(D) ID=IG
10. . For a fixed bias circuit the drain current was 1mA, what is the value of source current?
(A) 0mA
(B) 2mA
(C) 1mA
(D) 3mA