semiconductor-principles electronics question and answers -Page 4

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Semiconductor Principles problems

1. When a depletion region of a transistor is large the barrier voltage is also large.
Options
A. True
B. False

Correct Answer: True

2. The number of electrons in the outer shell of carbon, germanium, and silicon is 5.
Options
A. True
B. False

Correct Answer: False

3. The first transistor was invented in 1938.
Options
A. True
B. False

Correct Answer: False

4. A covalent bond is when atoms lose valence shell electrons.
Options
A. True
B. False

Correct Answer: False

5. Germanium is the most widely used semiconductor material because of its stability at high temperatures.
Options
A. True
B. False

Correct Answer: False

6. The n-type semiconductor material is doped by adding material with electron holes.
Options
A. True
B. False

Correct Answer: False

7. The P-N junction is a barrier to electron flow.
Options
A. True
B. False

Correct Answer: True

8. The forward voltage drop for a germanium transistor is 0.7 V and for a silicon transistor is 0.3 V.
Options
A. True
B. False

Correct Answer: False

First 2 3 4

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