Junction Field Effect Transistor (JFET) Multiple Choice Questions And Answers


21. The primary control on drain current in a JFET is exerted by which of the following?


   A.Gate reverse bias

   B.Size of depletion regions

   C.Voltage drop across channel

   D.Channel resistance


✔ View Answer


A.Gate reverse bias

✍ Your Comments

Your name:

Your Email:

Your Comments:



22. In a JFET, gates are always


   A.Unbiased

   B.Reverse biased

   C.Either forward or reverse biased

   D.Forward biased


✔ View Answer


B.Reverse biased

✍ Your Comments

Your name:

Your Email:

Your Comments:



23. The main disadvantage of a JFET is


   A.Low gain-band width product

   B.Low gain

   C.High cost

   D.High noise level


✔ View Answer


A.Low gain-band width product

✍ Your Comments

Your name:

Your Email:

Your Comments:



24. The transconductance curve of a JFET is


   A.Inverted V-type

   B.Parabolic

   C.Hyperbolic

   D.A straight line


✔ View Answer


B.Parabolic

✍ Your Comments

Your name:

Your Email:

Your Comments:



25. Three terminals of a JFET are


   A.Pole, dipole and bipole

   B.Emitter, collector and base

   C.Source, drain and current

   D.Top, base and side


✔ View Answer


C.Source, drain and current

✍ Your Comments

Your name:

Your Email:

Your Comments:





< 1 2 3 4 5 6 7 8 9 10 Next

Mcq




Enter Your Suggestion/Comments Here










Can't read the image? Click here to refresh