Transistor Multiple Choice Questions And Answers


21. The transistor can transfer


   A.A signal from low resistance to high resistance

   B.A weak signal of only higher frequencies through it

   C.A weak signal of only lower frequencies through it

   D.A signal from high resistance to low resistance


✔ View Answer


A.A signal from low resistance to high resistance

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22. When the transistor is in saturation, the collector to emitter voltage


   A.Is nearly zero

   B.Depends on reverse saturation current

   C.Is between zero and supply voltage

   D.Is nearly supply voltage


✔ View Answer


A.Is nearly zero

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23. Transistor works as an open switch when emitter junction is.......biased and collector junction is......biased


   A.Forward, forward

   B.Reverse, reverse

   C.Reverse, forward

   D.Forward, reverse


✔ View Answer


B.Reverse, reverse

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24. When a transistor is in active region the resistance is between


   A.Emitter to collector

   B.Base to collector

   C.Emitter to base

   D.All of the above


✔ View Answer


B.Base to collector

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25. Transistor is said to be operating in the active region if


   A.Emitter junction is forward biased and collector junction is reverse biased

   B.Emitter junction is forward biased and collector junction is forward biased

   C.Emitter junction is reverse biased and collector junction is forward biased

   D.Emitter junction is reverse biased and collector junction is reverse biased


✔ View Answer


A.Emitter junction is forward biased and collector junction is reverse biased

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