Exercise: Semiconductor Principles

Questions for: Semiconductor Principles

The natural elements carbon, germanium, and silicon are semiconductors.
A:
True
B:
False
C:
D:
Answer: A
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Germanium is the most widely used semiconductor material because of its stability at high temperatures.
A:
True
B:
False
C:
D:
Answer: B
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The first transistor was invented in 1938.
A:
True
B:
False
C:
D:
Answer: B
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When a voltage is placed across a semiconductor, free electrons move toward the negative voltage.
A:
True
B:
False
C:
D:
Answer: B
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A covalent bond is when atoms lose valence shell electrons.
A:
True
B:
False
C:
D:
Answer: B
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