Question

In an insulator, the forbidden energy gap between the valence band and conduction band is of the order of.

• A. $1MeV$
• B. $0.1MeV$
• C. $1eV$
• D. $5eV$

Answer 1

Answer: (D)

$5eV$

Answer 2

In insulators, the forbidden energy gap is largest and it is of the order of 6 eV.