Solid State Devices

221. What is the ideal value stability factor?

  1. 1
  2. 0.5
  3. Infinite
  4. 100

Correct answer: (A)
1

222. What is the input control parameter of a FET?

  1. Gate voltage
  2. Source voltage
  3. Drain voltage
  4. Gate current

Correct answer: (A)
Gate voltage

223. What is the largest region of a bipolar transistor?

  1. Base
  2. Emitter
  3. Collector
  4. P-region

Correct answer: (C)
Collector

224. What is the most commonly used color of an LED?

  1. Orange
  2. Blue
  3. Red
  4. Green

Correct answer: (C)
Red

225. What is the most important factor of a power transistor?

  1. Output resistance
  2. Heat dissipation
  3. Input voltage
  4. Output parameter

Correct answer: (B)
Heat dissipation

226. What is the net charge if a certain semiconductor gains one valence electron?

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

Correct answer: (B)
-1

227. What is the net charge if a certain semiconductor losses 4 valence electrons?

  1. 4
  2. -4
  3. 8
  4. -8

Correct answer: (A)
4

228. What is the number of protons in the nucleus or the number of electrons in an atom?

  1. Atomic mass
  2. Atomic weight
  3. Atomic number
  4. Free electrons

Correct answer: (C)
Atomic number

229. What is the other name of Esaki diode?

  1. Diac
  2. Hot-carrier diode
  3. Shockley diode
  4. Tunnel diode

Correct answer: (D)
Tunnel diode

230. What is the point of intersection between a diode characteristic and a load line?

  1. Q point
  2. Quiescent point
  3. Operating point
  4. All of the above

Correct answer: (D)
All of the above

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