P-Channel and N-Channel Field Effect Transistor (FET) Multiple Choice Questions And Answers


16. A FET differs from a bipolar transistor as it has


   A.Simpler fabrication

   B.Negative resistance

   C.High input impedance

   D.Any of the above


✔ View Answer


C.High input impedance

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17. N-channel FETs are superior to P-channel FETs because


   A.They have a higher switching

   B.They have a higher input impedance

   C.Mobility of electron is greater than that of holes

   D.All of the above


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C.Mobility of electron is greater than that of holes

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18. A FET can be used as a variable


   A.Inductor

   B.Capacitor

   C.Resistor

   D.Voltage source

   E.Current source


✔ View Answer


C.Voltage source

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19. A FET, for its operation, depends on the variation of


   A.Forward-biased junction

   B.Reversed-biased junction

   C.Magnetic field

   D.The depletion-layer width with reverse voltage


✔ View Answer


D.The depletion-layer width with reverse voltage

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20. Which of the following is not the main characteristic of FET?


   A.Amplification factor

   B.Forward transconductance

   C.Temperature factor

   D.None of the above


✔ View Answer


C.Temperature factor

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