Pure silicon at 300 {\K} has equal electron and hole concentration of 1.5 \times 10^{16} {\m}^{-3}. If the hole concentration increases to 3 \times 10^{22} {\m}^{-3}, then electron concentration in the silicon is [AP EAPCET 21 May 2024 Shift 2]

Correct Answer is : 7.5×109m−3

Semiconductor Devices

Section: Physics

Question : 21 of 29

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Pure silicon at 300K has equal electron and hole concentration of 1.5×1016m−3. If the hole concentration increases to 3×1022m−3, then electron concentration in the silicon is

[AP EAPCET 21 May 2024 Shift 2]

‌0.75×109m−3
‌750m−3
‌75m−3
‌7.5×109m−3

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