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Home ‣ Electronics ‣ Semiconductor Principles Comments
  • Question

  • Germanium is the most widely used semiconductor material because of its stability at high temperatures.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • Semiconductor Principles problems

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    • 1. A covalent bond is when atoms lose valence shell electrons.

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    • A. True
    • B. False
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    • 2. The first transistor was invented in 1938.

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

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

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    • A. True
    • B. False
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    • 5. When a voltage is placed across a semiconductor, free electrons move toward the negative voltage.

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

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

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

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    • A. True
    • B. False
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    • 9. Breakdown voltage and pinch-off voltage of a JFET are different terms for the same voltage level.

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    • A. True
    • B. False
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    • 10. A JFET can be either a current-controlled device or a voltage-controlled device.

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    • A. True
    • B. False
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