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

46. The JFET is also known as square law device because its

   A.Drain current varies as square of the gate source voltage

   B.Transconductance curve is parabolic

   C.Reverse gate leakage current varies as square of reverse gate voltage

   D.Drain current varies as square of its drain voltage for a fixed Vgs

47. The charge carriers in an N-channel JFET are

   A.Electrons

   B.Neutrons

   C.Protons

   D.Holes

48. The preferred from of biasing a JFET amplifier is ..... bias

   A.Self

   B.Drain

   C.Source

   D.Gate

49. As compared to a bipolar transistor, a JFET is

   A.Equally sensitive to changes in input voltage

   B.More sensitive changes in input voltage

   C.Less sensitive changes in input voltage

   D.Highly sensitive to changes in input voltage

50. In saturation region JFET acts like a

   A.Switch

   B.Short circuit

   C.Bipolar device

   D.Resistance

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