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
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A.Gate reverse bias
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22. In a JFET, gates are always
A.Unbiased
B.Reverse biased
C.Either forward or reverse biased
D.Forward biased
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23. The main disadvantage of a JFET is
A.Low gain-band width product
B.Low gain
C.High cost
D.High noise level
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24. The transconductance curve of a JFET is
A.Inverted V-type
B.Parabolic
C.Hyperbolic
D.A straight line
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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
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