Hard Why is a semiconductor more than merely a weak conductor? AIts conductivity never changes BIt has no energy bands CCarrier concentration can be controlled by doping, temperature and fields DIt conducts only through nuclei EIts conductivity cannot be controlled by doping or temperature Report a problem with this question What is wrong? The marked correct answer is wrongAn option is wrong or repeatedSpelling or wording mistakeSomething else Details (optional) Send report