JEE Main 25 July 2021 Shift 2 Solved Paper
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Question : 29 of 90
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In a semiconductor, the number density of intrinsic charge carriers at 27 ° C is 1.5 × 10 16 ∕ m 3 . If the semiconductor is doped with impurity atom, the hole density increases to 4.5 × 10 22 ∕ m 3 . The electron density in the doped semiconductor is_______ × 10 9 ∕ m 3
[25 Jul 2021 Shift 2]
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