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Semiconductor D...

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  • Question 1
    4 / -1

    C, Si and Ge have same no. of valence electrons. C is an insulator because energy required to take one electron out from

  • Question 2
    4 / -1

    Ionisation energy of isolated phosphorous atoms 10 eV. Ionisation energy of same atom in Si is nearly ____________ eV(Relative Permitivity of silicon = 12)

  • Question 3
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    By adding _____________impurity in intrinsic semiconductor P type semiconductor is made. charge of these P type semiconductor is_________

  • Question 4
    4 / -1

    Strong overlaping of different atomic orbitals makes

  • Question 5
    4 / -1

    We can not make p–n junction diode by making P type semi–condutor join with N – type semi–conductor, Because

  • Question 6
    4 / -1

    For p–n junction, which statement is incorrect

  • Question 7
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    The intrinsic semi-conductor has :

  • Question 8
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    The behaviour of Ge as semi-conductor is due to width of :

  • Question 9
    4 / -1

    Which of the following is not the advantage of PN junction diode over tube valve ?

  • Question 10
    4 / -1

    A current gain for a transistor working as CB amplifier is 0.90. If emitter current is 10 mA, then base current is __________ .

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