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

Energy gap between valence band and conduction band is called as the ……….

If the energy gap between valence band and conduction band is 5 eV, then it is

If the energy gap between valence band and conduction band is 10 eV, then the material is a/an

In an good conductor the forbidden energy gap between the between the conduction band and valence band is of the order of