Transistor Multiple Choice Questions And Answers


21. ..................configuration has low thermal stability


   A.CE

   B.CB

   C.CC

   D.All of the above


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A.CE

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22. Which of the following is the main advantage of an emitter-follower


   A.Maximum distortion

   B.Maximum efficiency

   C.Maximum gain

   D.Maximum output impedance


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A.Maximum distortion

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23. The voltage gain of CC configuration is


   A.Slightly more than unity

   B.Slightly less than unity

   C.Of the order 10 to 100

   D.High


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B.Slightly less than unity

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24. When emitter junction is reverse biased and collector junction is forward biased the transistor is said to be in


   A.Cut off region

   B.Saturation

   C.Active region

   D.Inverted mode region


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D.Inverted mode region

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25. Transistor works as a closed switch when emitter junction is..........biased and collector junction is..........biased


   A.Reverse, forward

   B.Reverse, reverse

   C.Forward, reverse

   D.Forward, forward


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D.Forward, forward

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