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Semiconductor D...

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  • Question 1
    4 / -1

    When phosphorus and antimony are mixed ingermanium, then

  • Question 2
    4 / -1

    To a germanium sample, traces of gallium are added as an impurity. The resultant sample would behave like

  • Question 3
    4 / -1

    The energy gap of silicon is 1.14 eV. The maximum wavelength at which silicon will begin absorbingenergy is

  • Question 4
    4 / -1

    The charge on a hole is equal to the charge of

  • Question 5
    4 / -1

    When germanium is doped with phosphorus, the dopedmaterial has

  • Question 6
    4 / -1

    A Ge specimen is doped with Al. The concentration of acceptor atoms is ~1021 atoms/m3. Given that the intrinsic concentration of electron hole pairs is ~1019 / m3, the concentration of electrons in thespecimen is

  • Question 7
    4 / -1

    Which of the following has negative temperature coefficient of resistance?

  • Question 8
    4 / -1

    In semiconductors at a room temperature

  • Question 9
    4 / -1

    Regarding a semiconductor which one of the following is wrong?

  • Question 10
    4 / -1

    Which of the following statements is true for an N–type semiconductor?

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