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Physics
On the basis of band theory of solids the semiconductors have _____________________?
A
A party filled valence band and totally empty conduction band
Option A
B
A completely filled valence band a totally empty conduction band and a very wide forbidden band
Option B
A completely filled valence band a partially filled conduction band and a narrow forbidden band
Correct answer
D
A partly filled valence band a totally empty conduction band and a wide forbidden band
Option D
Correct answer: C
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