MHT CET 2023 Physics question

Not in JEE Advanced syllabus

For an intrinsic semiconductor ( and are the number of holes per unit volume and number of electrons per unit volume respectively)

(A)
(B)Correct
(C)
(D)

Answer: (B)

Solution

In an intrinsic (pure) semiconductor, charge carriers are generated only by thermal breaking of covalent bonds. Every electron that moves to the conduction band leaves behind exactly one hole in the valence band, so the electron and hole

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Question ID VK-094657