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When a pentavalent imputrity is added in...

When a pentavalent imputrity is added in Ge crystal then, what type of semiconductor is obtained ?

A

a p-type

B

an n-type

C

intrinsic

D

none of these

Text Solution

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The correct Answer is:
B
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What are n-type semiconductors ?

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Knowledge Check

  • n-type semiconductor is obtained when

    A
    germanium is doped with arsenic
    B
    germanium is doped with indium
    C
    germanium is doped with aluminium
    D
    silicon is doped with indium

  • p-type semiconductor is obtained by doping

    A
    germanium with arsenic
    B
    germanium with aluminium
    C
    germanium with antimony
    D
    germanium with phosphorus

  • When N -type of semiconductor is heated

    A
    Number of electrons increases while that of holes decreases
    B
    Number of holes increases while that of electrons decreases
    C
    Number of electrons and holes remains same
    D
    Number of electrons and holes increases equally

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    Why is p-type semiconductor of Ge so called?

    If we mix a pentavalent impurity in a crystal lattice of germanium, what type of semiconductor formation will occur?

    If we mix a pentavalent impurity in the crystal lattice of germinium the type of semiconductor formed will be:

    The impurity atom added to germenium to make it N -type semiconductor is

    A P -type semiconductor can be obtained by adding

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