Q.

Statement 1: Semiconductors are solids with conductivities in the intermediate range from 10−6−104ohm−1m−1.Statement 2: Intermediate conductivity in semiconductor is due to partially filled valence band.

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a

Both statements 1 and 2 are correct

b

Both statements 1 and 2 are incorrect

c

Statement 1 is correct and statement 2 is incorrect

d

Statement 1 is incorrect and statement 2 is correct

answer is C.

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Detailed Solution

Semiconductors are solids with conductivities in the intermediate range vary from 10−6−104Ω−1m−1.Intermediate conductivity is due to small energy gap between valence band and conduction band.
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