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Intrinsic Semiconductor

Let np and ne...

Question

Let n_p and n_e be the number of holes and conduction electrons in an intrinsic semiconductor.
(a) n_p > n_e
(b) n_p = n_e
(c) n_p < n_e
(d) n_p ≠ n_e

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Solution

(b) n_p = n_e

As the intrinsic semiconductor is free from all impurities, the number of electrons is equal to the number of holes.

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