31. The two important advantages of a JFET are ___________ A. high input impedance and square-law property B. inexpensive and high output impedance C. low input impedance and high output impedance D. none of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
32. In a JFET, IDSS is known as ___________ A. drain to source current B. drain to source current with gate shorted C. drain to source current with gate open D. none of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
33. A MOSFET is sometimes called ___________ JFET A. many gate B. open gate C. insulated gate D. shorted gate Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
34. In a common source JFET amplifier, the output voltage is ___________. A. 180° out of phase with input B. In phase with input C. 90° out of phase with input D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
35. A CS JFET amplifier has a load resistance of 10 kΩ , RD = 820 V. If gm = 5 mS and Vin = 500 mV, the output signal voltage is A. 2.05 V B. 25 V C. 0.5 V D. 1.89 V Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
36. In a FET, there are ___________ pn junctions at the sides A. three B. four C. five D. two Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
37. The input impedance of a MOSFET is of the order of ___________ A. O B. a few hundred O C. kΩ D. several MO Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
38. A certain common source JFET has a voltage gain of 10. If the source bypass capacitor is removed, ___________ A. the voltage gain will increase B. the transconductance will increase C. the voltage gain will decrease D. the Q-point will shift Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
39. A certain D-MOSFET is biased at VGS = 0 V. Its data sheet specifies IDSS = 20mA and VGS(off) = -5 V. The value of the drain current is ___________ A. 20 mA B. 0 mA C. 40 mA D. 10 mA Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
40. The gate of a JFET is ___________ biased A. reverse B. forward C. reverse as well as forward D. none of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board