Field Effect Transistor (FET) Multiple Choice Questions And Answers


46. The input resistance of FET in the low frequency small signal operation is


   A.Infinitely high

   B.Around 2 k.........

   C.Around 40 k.......

   D.Very small


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A.Infinitely high

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47. The source of FET is analogous to .............. of BJT


   A.Collector

   B.Substrate

   C.Base

   D.Emitter


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D.Emitter

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48. In a FET


   A.One junction is forward biased and the other reverse biased

   B.Both junctions are reverse biased

   C.Both junctions are forward biased

   D.None of the above


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B.Both junctions are reverse biased

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49. The gate electrode in the FET coresponds to the


   A.Collector in a bipolar transistor

   B.Emitter in a bipolar transistor

   C.Base in a bipolar transistor

   D.None of the above


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A.Collector in a bipolar transistor

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50. The noise figure of FET circuit is


   A.Independent of the quiescent point

   B.Dependent on triggering mechanism

   C.Dependent on the quiescent point only

   D.Independent of all above


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A.Independent of the quiescent point

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