Semiconductor Principles Questions and Answers

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Q21
 Electron pair bonding occurs when atoms:
  • A lack electrons
  • B share holes
  • C lack holes
  • D share electrons
Answer: Option D
Q22
How many valence electrons are in every semiconductor material?
  • A 1
  • B 2
  • C 3
  • D 4
Answer: Option D
Q23
What is a type of doping material?
  • A extrinsic semiconductor material
  • B pentavalent material
  • C n-type semiconductor
  • D majority carriers
Answer: Option B
Q24
Minority carriers are many times activated by:
  • A heat
  • B pressure
  • C dopants
  • D forward bias
Answer: Option A
Q25
If conductance increases as temperature increases, this is known as a:
  • A positive coefficient
  • B negative current flow
  • C negative coefficient
  • D positive resistance
Answer: Option C
Q26
Which of the following cannot actually move?
  • A majority carriers
  • B ions
  • C holes
  • D free electrons
Answer: Option C
Q27
What electrical characteristic of intrinsic semiconductor material is controlled by the addition of impurities?
  • A conductivity
  • B resistance
  • C power
  • D all of the above
Answer: Option A
Q28
The forward voltage drop for a germanium transistor is 0.7 V and for a silicon transistor is 0.3 V.
  • A TRUE
  • B FALSE
Answer: Option B
Q29
When a depletion region of a transistor is large the barrier voltage is also large.
  • A TRUE
  • B FALSE
Answer: Option A
Q30
The first integrated circuit was invented in 1959.
  • A TRUE
  • B FALSE
Answer: Option A
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