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Semiconductor Principles
What is the most significant development in electronics since World War II?
the development of color TV
the development of the diode
the development of the transistor
the development of the TRIAC
Correct Answer:
the development of the transistor
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Semiconductor Principles
The natural elements carbon, germanium, and silicon are semiconductors.
The first integrated circuit was invented in 1959.
When a voltage is placed across a semiconductor, free electrons move toward the negative voltage.
When a depletion region of a transistor is large the barrier voltage is also large.
The number of electrons in the outer shell of carbon, germanium, and silicon is 5.
The first transistor was invented in 1938.
A covalent bond is when atoms lose valence shell electrons.
Germanium is the most widely used semiconductor material because of its stability at high temperatures.
The n-type semiconductor material is doped by adding material with electron holes.
The P-N junction is a barrier to electron flow.
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