Atoms and Electrons » Exercise - 280. The energy gap between valence and conduction bands in insulators is about ........ (a) 15 eV (b) 1.5 eV (c) zero (d) 0.5 eV
Atoms and Electrons » Exercise - 277. In insulators, the energy gap between valence and conduction bands is ........ (a) very large (b) zero (c) very small (d) none of the above
Atoms and Electrons » Exercise - 269. In insulators, the energy gap between valence and conduction bands is ........ (a) very large (b) zero (c) very small (d) none of the above
Atoms and Electrons » Exercise - 270. In a conductor, the energy gap between valence and conduction bands is ........ (a) large (b) very large (c) very small (d) none of the above
Atoms and Electrons » Exercise - 285. The forbidden energy band gap in conductors, semiconductor and insulators are EG1, EG2 and EG3 respectively then - (a) EG1> EG2>EG3 (b) EG1< EG2< EG3 (c) EG1> EG2 = EG3 (d) EG1 = EG2 = EG3