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Questions

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Practice

Questions

Pick a topic and practice with clear explanations.

CUET

A pure silicon crystal with $5 \times 10^{28}$ atoms $m^{-3}$ has $n_i = 1.5 \times 10^{16} m^{-3}$ . It is doped with a concentration of 1 in $10^5$ pentavalent atoms. The number density of holes (per $m^3$ ) in the doped semiconductor will be:

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