In the case of insulators, a band gap and conduction band is respectively
In the case of insulators, a band gap and conduction band is respectively
very high, empty
very low, partially filled
very high, completely filled
very low, empty
Solution
- Band gap: In insulators, the band gap is very high, typically greater than 5 eV , meaning a large amount of energy is required to excite electrons from the valence band to the conduction band.
- Conduction band: The conduction band in an insulator is empty under normal conditions, as the electrons do not have enough energy to jump across the wide band gap.