174. In Intrinsic semi conductor the valence and conduction bands –
(a)Overlap with each other (b)Are separated by an energy gap of about 1 eV (c)Are separated by an energy gap of about 10 eV (d)Are separated by an energy gap about 0.001 eV
Answer
Answer : (b)
Explanation
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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 - 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