What is thermally generated density of electrons and holes

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Silicon, originally intrinsic, is doped with 4*10^16 /cm^3 of arsenic atoms at room temperature.
a) What proportion of the silicon atoms have been replaced by arsenic atoms?
b) What is the thermally generated density of electrons and holes?
c) What is the bound ionic charge density in Coulombs/cm^3?

Reference no: EM13258601

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