On the basis of band theory of solids the semiconductors have _____________________?

Options:

• A. A party filled valence band and totally empty conduction band
• B. A completely filled valence band a totally empty conduction band and a very wide forbidden band
• C. A completely filled valence band a partially filled conduction band and a narrow forbidden band
• D. A partly filled valence band a totally empty conduction band and a wide forbidden band

View Answer

C. A completely filled valence band a partially filled conduction band and a narrow forbidden band