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


1. In applications where ............ input resistance is needed, the JFET is preferred to the bipolar transistor


   A.Low

   B.Very low

   C.Zero

   D.High


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D.High

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2. Self bias is an example of ........... feedback that tends to stabilize the drain current gain changes in temperature and JFET replacement


   A.Positive

   B.Low

   C.Negative

   D.Variable


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C.Negative

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3. JFET has........ degree of isolation between input and output and a .......... noise figure


   A.Low, high

   B.High, high

   C.Low, low

   D.High, low


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D.High, low

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4. The operation of a JFET involves


   A.A flow of minority carriers

   B.Negative resistance

   C.Recombination

   D.A flow of majority carriers


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D.A flow of majority carriers

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5. ............. is the best electronic device for fast switching


   A.Triode

   B.JFET

   C.BJT

   D.MOSFET


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C.BJT

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