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Electrical Engineering

FetField Effect Transistors MCQs

Practice FetField Effect Transistors MCQs for competitive exams.

FetField Effect Transistors MCQs

Practice questions from this topic.

The pinch-off voltage in a JFET is analogous to ___________ voltage in a vacuum tube

  1. A. anode
  2. B. cathode
  3. C. grid cut off
  4. D. none of the above
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A MOSFET has ___________ terminals

  1. A. two
  2. B. five
  3. C. four
  4. D. three
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A common base configuration of a pnp transistor is analogous to ___________ of a JFET

  1. A. common source configuration
  2. B. common drain configuration
  3. C. common gate configuration
  4. D. none of the above
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A JFET is also called ___________ transistor

  1. A. unipolar
  2. B. bipolar
  3. C. unijunction
  4. D. none of the above
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A JFET has ___________ power gain

  1. A. small
  2. B. very high
  3. C. very small
  4. D. none of the above
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A JFET is a ___________ driven device

  1. A. current
  2. B. voltage
  3. C. both current and voltage
  4. D. none of the above
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The source terminal of a JEFT corresponds to ___________ of a vacuum tube

  1. A. plate
  2. B. cathode
  3. C. grid
  4. D. none of the above
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A JFET has three terminals, namely ___________

  1. A. cathode, anode, grid
  2. B. emitter, base, collector
  3. C. source, gate, drain
  4. D. none of the above
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A MOSFET uses the electric field of a ___________ to control the channel current

  1. A. capacitor
  2. B. battery
  3. C. generator
  4. D. none of the above
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The input impedance of a JFET is ___________ that of an ordinary transistor

  1. A. equal to
  2. B. less than
  3. C. more than
  4. D. none of the above
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The input control parameter of a JFET is ___________

  1. A. gate voltage
  2. B. source voltage
  3. C. drain voltage
  4. D. gate current
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In a certain CS JFET amplifier, R D = 1 kΩ , R S = 560 Ω , V DD = 10 V and g m = 4500 µS. If the source resistor is completely bypassed, the voltage gain is ___________.

  1. A. 450
  2. B. 45
  3. C. 2.52
  4. D. 4.5
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