Semiconductor Materials » Exercise - 282. Forbidden energy gap between the valence band and conduction band is least in the case of : (a) Impure silicon (b) Pure silicon (c) Pure germanium (d) Mica
Semiconductor Materials » Exercise - 287. 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
Semiconductor Materials » Exercise - 296. When a pure semiconductor is heated, its resistance ........ (a) goes up (b) goes down (c) remains the same (d) cannot say
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
Semiconductor Materials » Exercise - 3120. The n type impurity : (a) Can be added to Ge but not to Si (b) Can be added to Si but not to Ge (c) Creates excess holes (d) Creates excess electrons