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Home ‣ Electronics ‣ Semiconductor Principles Comments
  • Question

  • The natural elements carbon, germanium, and silicon are semiconductors.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Semiconductor Principles problems

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    • 1. Resistance limits the flow of current.

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    • A. True
    • B. False
      • Discuss
    • 2. In a resistive circuit, if the voltage increases, the current will increase.

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    • A. True
    • B. False
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    • 3. The cross-sectional area of a conductor is one factor that determines the conductor's resistance to current.

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    • A. True
    • B. False
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    • 4. If 500 mA is flowing through a 10 Ω resistor, the wattage rating of the resistor should be 2 watts.

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    • A. True
    • B. False
      • Discuss
    • 5. A rheostat is not a type of variable resistor.

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    • A. True
    • B. False
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    • 6. The first integrated circuit was invented in 1959.

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    • A. True
    • B. False
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    • 7. 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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    • 8. 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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    • 9. 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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    • 10. The first transistor was invented in 1938.

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    • A. True
    • B. False
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