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


36. The drain current of the N-channel JFET increases with


   A.Increasing positive voltage at the gate

   B.Constant voltage at the gate

   C.Decreasing positive voltage at the gate

   D.None of the above


✔ View Answer


A.Increasing positive voltage at the gate

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37. The JFET is a


   A.Unipolar device

   B.Tripolar device

   C.Bipolar device

   D.None of the above


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A.Tripolar device

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


   A.Remain same

   B.Decrease

   C.Increase

   D.Any of the above


✔ View Answer


B.Decrease

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39. When a JFET is cut off, it's like an ............ switch and when it is saturated, it's like a .......... switch


   A.Closed, closed

   B.Open, closed

   C.Open, open

   D.Closed, open


✔ View Answer


B.Open, closed

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40. The gate-source diode of a JFET should be


   A.Unbiased

   B.Reverse biased

   C.Forward biased

   D.None of the above


✔ View Answer


B.Reverse biased

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