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


26. The operation of a JFET involves a flow of


   A.Minority carriers

   B.Majority carriers

   C.Recombination carriers

   D.Any of the above


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B.Majority carriers

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27. When the positive voltage on the gate of a P-channel JFET is increased, the drain current will


   A.Increase

   B.Decrease

   C.Remain same

   D.Any of the above


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B.Decrease

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28. A JFET can operate in


   A.Depletion mode only

   B.Enhancement mode only

   C.Depletion and enhancement modes

   D.Neither enhancement nor depletion mode


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A.Depletion mode only

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29. In a JFET.....is usually the point of reference


   A.Gate

   B.Drain

   C.Source

   D.Either (b) or (c)


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C.Source

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


   A.Gate reverse bias

   B.Channel resistance

   C.Voltage drop across channel

   D.Size of depletion regions


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A.Gate reverse bias

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