Semiconductor Materials » Exercise – 3
117. Semiconductors in pure form are poor conductors because :
(a) They have no valence electrons
(b) All valence electrons are in electron pairs
(c) They have a large number of holes
(d) They have fewer electrons than protonsSubject Name : Electronics Engineering Exam Name : IIT GATE, UPSC ESE, RRB, SSC, DMRC, NMRC, BSNL, DRDO, ISRO, BARC, NIELIT Posts Name : Assistant Engineer, Management Trainee, Junior Engineer, Technical Assistant Electronics & Communication Engineering Books
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