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GR0177 #53
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Alternate Solutions |
Aleph0
2007-11-02 12:19:50 | Fortunately, the choices provided by ETS make this one relatively easy. At very low temperatures, semiconductors don't conduct (not enough thermal energy to excite electrons to the conductance band). Thus, at very low temperatures, the resistivity is very high - that means (B). |  |
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Comments |
Aleph0
2007-11-02 12:19:50 | Fortunately, the choices provided by ETS make this one relatively easy. At very low temperatures, semiconductors don't conduct (not enough thermal energy to excite electrons to the conductance band). Thus, at very low temperatures, the resistivity is very high - that means (B). | | herrphysik
2006-09-27 02:07:07 | The basic explanation for this given by Giancolli is that at higher temps, some of the electrons that are not normally free in a semiconductor become free and can contribute to the current. |  |
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