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A semiconductor has equal electron and …

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A semiconductor has equal electron and hole concentration 6×10°8m-3 , on doping with a certain impurity , electron concentration increase to 8×10°12m-3 . Identify the type of semiconductor after doping

    • Posted by Himanshu Sharma 5 years, 1 month ago

    CBSE > Class 12 > Physics
    • 1 answers

    Gayatri Guntreddi 5 years, 1 month ago

    Given - Intrinsic carrier concentration ni​=2×108m−3             Electron concentration ne​=4×1010m−3             Hole concentration nh​=? We have ,  ne​nh​=ni2​ or              nh​=ne​ni2​​=4×1010(2×108)2​=106m−3

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