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PN JUNCTION DIODE MCQs

Total Questions : 25 | Page 3 of 3 pages
Question 21. The depletion region contains
  1.    Electrons
  2.    Holes
  3.    Immobilized charge carriers
  4.    Sea of electrons
 Discuss Question
Answer: Option C. -> Immobilized charge carriers
Question 22. The Value of Barrier Potential for Ge Diode is
  1.    1
  2.    0.2
  3.    0.5
  4.    0.6
 Discuss Question
Answer: Option B. -> 0.2
Question 23. In a reverse biased PN junction, the current through the junction increases abruptly at
  1.    0.5 V
  2.    1.1V
  3.    0.72 V
  4.    Breakdown voltage
 Discuss Question
Answer: Option D. -> Breakdown voltage
Question 24. In Half wave rectifier the diode conducts in only___
  1.    positive half cycle
  2.    negative half cycle
 Discuss Question
Answer: Option A. -> positive half cycle
Question 25. Main phenomenons associated with formation of p-n junctions are
  1.    Drift only
  2.    Diffusion only
  3.    Diffusion and Drift
  4.    only doping
 Discuss Question
Answer: Option C. -> Diffusion and Drift

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