Exercise: Semiconductor Principles

Questions for: Semiconductor Principles

What is an energy gap?
A:
the space between two orbital shells
B:
the energy equal to the energy acquired by an electron passing a 1 V electric field
C:
the energy band in which electrons can move freely
D:
an energy level at which an electron can exist
Answer: A
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What causes the depletion region?
A:
doping
B:
diffusion
C:
barrier potential
D:
ions
Answer: B
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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: C
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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: B
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Intrinsic semiconductor material is characterized by a valence shell of how many electrons?
A:
1
B:
2
C:
4
D:
6
Answer: C
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