Chapter 7 FET BIASING MCQs 10 min Score: 0 Attempted: 0/10 Subscribe 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 deviceShow All Answers 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 regionShow All Answers 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 drainShow All Answers 4. . A JFET is also called …………… transistor (A) none of the above (B) Bipolar (C) Unijunction (D) UnipolarShow All Answers 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 aboveShow All Answers 6. . The input control parameter of a JFET is …………… (A) drain voltage (B) source voltage (C) gate voltage (D) gate currentShow All Answers 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 circuitShow All Answers 8. . Which of the following statements are true?P: JFET is biased to operate it in active regionMOSFET 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 incorrectShow All Answers 9. . Which of the following relation is true about gate current? (A) IG=ID+IS (B) IG=0 (C) IS= IG (D) ID=IGShow All Answers 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) 3mAShow All Answers
