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FET (Field Effect Transistors) MCQ Test

  1. What do you know about field-effect transistor (FET)?
  2. FET acts as constant current source in ___.
  3. Which of the following is the common features between FETs and bipolars?
  4. Is FETs are preferred to BJTs at high frequencies because they are less noisy?
  5. FETs are preferred to BJTs at high frequencies because they are ___.
  6. A JFET has three terminals, namely ____.
  7. The gate of a JFET is ___ biased.
  8. In saturation region JFET acts like a ___.
  9. The input impedance of an ideal JFET ___.
  10. The name field effect is related to the ____ layers of a JFET.
  11. MOSFET is a three-terminal device with gate (G), drain (D) and source (S) terminals.
  12. Which of the following devices has the highest input impedance?
  13. A MOSFET uses the electric field of a ___ to control the channel current.
  14. What is the full form of MOSFET?
Last Updated: Feb 22, 2023,
Posted in Interview Questions,
20 Questions
FET (Field Effect Transistors) MCQ

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Practice here the most popular FET (Field Effect Transistors) MCQ Questions, which are commonly asked in exams, interviews & placement drives.

  • a type of transistor which uses an electric field to control the flow of current
  • voltage
  • Current
  • None of the above
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  • Ohmic region
  • Breakdown region
  • Pinch off region
  • All of the above
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  • Difficult to bias
  • Low voltage gain
  • Low input impedance
  • Current controlled devices
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  • less noisy
  • capable of handling highest frequencies
  • easy to fabricate
  • All of the above
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  • cathode, anode, grid
  • emitter, base, collector
  • source, gate, drain
  • None of the above
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  • reverse
  • forward
  • reverse as well as forward
  • None of the above
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  • Switch
  • Short circuit
  • Bipolar device
  • Resistance
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  • is impossible to predict
  • approaches unity
  • approaches infinity
  • approaches zero
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  • metal–oxide–semiconductor field-effect transistor
  • metal–oxygen–semiconductor field-effect transistor
  • metal–oxide–semi field-effect transistor
  • All of the above
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  • constant current
  • drain-feedback
  • voltage-divider
  • zero biasing
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  • Recombination carriers
  • Majority carriers
  • Minority carriers
  • All of the above
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  • simpler fabrication
  • negative resistance
  • high input impedance
  • All of the above
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  • these have a higher switching
  • these have a higher input impedance
  • mobility of electron is greater than that of holes
  • All of the above
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  • Inductor
  • Capacitor
  • Voltage source
  • Current source
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