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Assertion:To make p type semiconductor ,...

Assertion:To make p type semiconductor , pentavalent impurity like phosphorus is mixed with Si.
Reason: Pentavalent impurity produces free electrons.

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The correct Answer is:
D
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Knowledge Check

  • P -type semiconductors are made by adding impurity element

    A
    `As`
    B
    `P`
    C
    `B`
    D
    `Bi`

  • p-type semi-conductors are made by mixing silicon with impurities of-

    A
    germanium
    B
    boron
    C
    arsenic
    D
    antimony

  • p type semi conductor is formed when trace amount of impurity is added to silicon. The number of valence electrons in the impurity atom must be

    A
    1
    B
    2
    C
    3
    D
    5