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


41. The input impedance of an ideal JFET


   A.Is impossible to predict

   B.Approaches unity

   C.Approaches infinity

   D.Approaches zero


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C.Approaches infinity

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42. The main use of a JFET is with a


   A.Trigger

   B.Source follower

   C.Snubber

   D.Frequency mixer


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B.Source follower

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43. One of the major applications of JEFT is in


   A.Switching

   B.Electron flow regulation

   C.Constant voltage source

   D.Constant current source


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A.Switching

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44. The JFETs are normally used in


   A.Cut-off region

   B.Saturation region

   C.Ohmic gate

   D.None of the above


✔ View Answer


B.Saturation region

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45. The name field effect is related to the ....... layers of a JFET


   A.Depletion

   B.Gate

   C.Source

   D.Drain


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A.Depletion

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