Semiconductor electronic devices multiple choice questions and answers on semiconductor electronic devices MCQ questions quiz on semiconductor electronic devices objectives questions. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject.

Electronic Devices MCQ Questions and Answers Quiz

1. A transistor has how many PN Junctions?

  1. 1
  2. 2
  3. 3
  4. 4

2. In an npn transistor, the majority carriers in the emitter are neither both free electrons

  1. free electrons
  2. holes
  3. niether (a) and (b)
  4. both (a) and (b)

3. The barrier potential across each silicon depletion layer is

  1. 0 V
  2. 0.3 V
  3. 0.7 V
  4. 1 V

4. The base of an npn transistor is thin and

  1. Heavily doped
  2. Lightly doped
  3. Metallic
  4. Doped by a Pentavalent material

5. The emitter of a transistor is generally doped the heaviest because it

  1. has to supply the charge carriers
  2. is the first region of the transistor
  3. must possess low resistance
  4. has to dissipate maximum power

6. When a transistor is fully switched ON, it is said to be

  1. shorted
  2. saturated
  3. open
  4. cut-off

7. A FET consists of a

  1. source
  2. drain
  3. gate
  4. all the above

8. The extremely high input impedance of a MOSFET is primarily due to the

  1. absence of its channel
  2. negative gate-source voltage
  3. depletion of current carriers
  4. extremely small leakage current of its gate capacitor

9. When a transistor is used as a switch, it is stable in which two distinct regions?

  1. saturation and active
  2. active and cutoff
  3. saturation and cutoff
  4. none of the above

10. The term BJT is short for

  1. binary junction transistor
  2. both junction transistor
  3. base junction transistor
  4. bipolar junction transistor
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