Semiconductor Principles Questions and Answers

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Showing 10 of 63 questions
Q31
A covalent bond is when atoms lose valence shell electrons.
  • A TRUE
  • B FALSE
Answer: Option B
Q32
When a voltage is placed across a semiconductor, free electrons move toward the negative voltage.
  • A TRUE
  • B FALSE
Answer: Option B
Q33
The first transistor was invented in 1938.
  • A TRUE
  • B FALSE
Answer: Option B
Q34
Germanium is the most widely used semiconductor material because of its stability at high temperatures.
  • A TRUE
  • B FALSE
Answer: Option B
Q35
The natural elements carbon, germanium, and silicon are semiconductors.
  • A TRUE
  • B FALSE
Answer: Option A
Q36
The P-N junction is a barrier to electron flow.
  • A TRUE
  • B FALSE
Answer: Option A
Q37
The number of electrons in the outer shell of carbon, germanium, and silicon is 5.
  • A TRUE
  • B FALSE
Answer: Option B
Q38
The n-type semiconductor material is doped by adding material with electron holes.
  • A TRUE
  • B FALSE
Answer: Option B
Q39
Ionization within a P-N junction causes a layer on each side of the barrier called the:
  • A junction
  • B depletion region
  • C barrier voltage
  • D forward voltage
Answer: Option B
Q40
What is the most significant development in electronics since World War II?
  • A the development of color TV
  • B the development of the diode
  • C the development of the transistor
  • D the development of the TRIAC
Answer: Option C

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