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TUNNEL DIODE MCQs

Total Questions : 20 | Page 2 of 2 pages
Question 11. A tunnel diode has _____ polarity resistance
  1.    Positive
  2.    Negative
  3.    Neutral
  4.    Both a and b
 Discuss Question
Answer: Option B. -> Negative
Question 12. Due to _____ property tunnel diode experience tunneling?
  1.    Pressure
  2.    Quantum Mechanical
  3.    Mechanical torque
  4.    Both b and c
 Discuss Question
Answer: Option B. -> Quantum Mechanical
Question 13. A tunnel diode is similar to ____ diodes operation?
  1.    PN diode
  2.    Zener diode
  3.    Vactor diode
  4.    PIN diode
 Discuss Question
Answer: Option A. -> PN diode
Question 14. Tunnel diode was invented by ____ scientist?
  1.    Leo Esaki
  2.    Leo Tunnel
  3.    James Esaki
  4.    Both a and c
 Discuss Question
Answer: Option A. -> Leo Esaki
Question 15. Tunnel diode works on ___ principle?
  1.    Expansion
  2.    Collision
  3.    Tunneling
  4.    Both a and c
 Discuss Question
Answer: Option C. -> Tunneling
Question 16. Tunnel diode is a ___ device?
  1.    Source independent
  2.    Passive
  3.    Active
  4.    Both b and c
 Discuss Question
Answer: Option B. -> Passive
Question 17. Which of the following was the first production of tunneling diode?
  1.    Phillips
  2.    Sony
  3.    Voltas
  4.    LG
 Discuss Question
Answer: Option B. -> Sony
Question 18. A heavy doping in tunnel diode has ____ band?
  1.    Zero band
  2.    Valance band
  3.    Conduction band
  4.    Broken band gap
 Discuss Question
Answer: Option D. -> Broken band gap
Question 19. A tunnel diode has ____ doped PN junction?
  1.    Lightly
  2.    Moderately
  3.    Heavily
  4.    Zero
 Discuss Question
Answer: Option C. -> Heavily
Question 20. A tunnel diode is a ____ diode?
  1.    Conducting diode
  2.    Semi-conductor diode
  3.    Insulating diode
  4.    Both a and b
 Discuss Question
Answer: Option B. -> Semi-conductor diode

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