30. Which of the following statements is/are correct ?
(a) Two discrete diodes connected back-to-back can work as a transistor
(b) Heat sink is a sheet of insulator used todissipate the heat developed at the collector junction of a power transistor
(c) The collector leakage current is strongly independent of temperature
(d) The collector junction of transistor is heavily dopedSubject 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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