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ExamName___________________________________TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 1) BJT transistors have one pn junction. 1) ___F___ 2) Proper operation of a BJT requires that the base-collector junction should be forward-biased. 2) ___T___ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 3) A donor impurity has _________ valance electrons. 3) ___C___ A)Three B) Two C) Five D) Four 4) An acceptor impurity has _________ valance electrons. 4) Four Three
Two Five 5) How much forward diode voltage is there with the practical-diode approximation? 5) 0.7 V 1 V More than 0.7 V 0 V 6) When transistors are used in digital circuits they usually operate in the 6) linear region. active region. saturation and cuto± regions. breakdown region. 7) Holes are the majority carriers in
7) __A____ A)a p-type semiconductor. B) a pn junction semiconductor. C)an n-type semiconductor. D) None of the above. 8) In a bipolar junction transistor, collector current is controlled by 8) collector resistance.