1.47 In terms of band theory, what is the difference (i) Between a conductor and an insulator (ii) Between a conductor and a semiconductor?
1.47 In terms of band theory, what is the difference (i) Between a conductor and an insulator (ii) Between a conductor and a semiconductor?
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1 Answer
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1.47 The energy gap between the valence band and conduction band in an insulator is very large while in a conductor, the energy gap is very small or there is overlapping between valence band and conduction band.
(ii) In a conductor, the valence band is practically filled or there is overlapping between valence band and conduction band while in semiconductor, there is always a small energy gap between them.
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