153. In a substance the conduction band and valence band are separated by a energy gap of the order of 1 eV, and there are at room temperature as money electrons in the conduction band as holes in the valence band. The substance is :
Semiconductor Materials » Exercise - 288. A semiconductor has ........ band. (a) almost empty valence (b) almost empty conduction (c) almost full conduction (d) none of the above
Semiconductor Materials » Exercise - 3106. In which band(s) do the movements of electrons and holes take place ? (a) Valence band (b) Conduction band (c) Conduction and valence bands respectively (d) Neither valence nor conduction band
Semiconductor Materials » Exercise - 286. A semiconductor has ........ band. (a) almost empty valence (b) almost empty conduction (c) almost full conduction (d) none of the above
Semiconductor Materials » Exercise - 289. In a semiconductor, the energy gap between valence and conduction bands is about ........ (a) 15 eV (b) 100 eV (c) 50 eV (d) 1 eV