11 ASSIGNMENT 2 Textbook assignment: Chapter 2, “Transistors,” pages 2-1 through 2-53. _________________________________________________________________________________ 2-1.   What term is used for a semiconductor that has three or more elements? 1.  Diode 2.  Transistor 3.  Duo-diode 4.  Point contact 2-2.   The term transistor was derived from which of the following words? 1.  Resistance and capacitance 2.  Transformer and resistor 3.  Resistor and transformer 4.  Transfer and resistor 2-3.   What are the three elements of a transistor? 1.  Anode, base, and collector 2.  Cathode, base, and collector 3.  Emitter, collector, and base 4.  Collector, emitter, and cathode 2-4.   In a transistor, the flow of current carriers is controlled by which element(s)? 1.  Emitter 2.  Collector 3.  Both 1 and 2 above 4.  Base 2-5.   In a transistor schematic, what is indicated by (a) the angular line with the arrowhead and (b) the direction of the arrow? 1. (a) (b) Cathode Direction of  current flow 2. (a) (b) Base Direction of current flow 3. (a) (b) Emitter Type of transistor 4. (a) (b) Collector Type of transistor 2-6.   Junction transistors have replaced point- contact transistors for which of the following reasons? 1.  Junction transistors generate less noise 2.  Junction transistors handle more power 3.  Junction transistors provide higher current and voltage gains 4.  All of the above 2-7.   What is the total number of PN junctions in a transistor? 1.  One 2.  Two 3.  Three 4.  Four 2-8.   What are the two junctions of a transistor? 1.  Emitter-base and emitter-collector 2.  Emitter-collector and base-collector 3.  Emitter-base and collector-emitter 4.  Emitter-base and base-collector 2-9.   With proper bias applied to a transistor, what should be the relative resistance of (a) the emitter-base junction and (b) the base-collector junction? 1.  (a) High (b) low 2.  (a) High (b) high 3.  (a) Low (b) low 4.  (a) Low (b) high 2-10.   For normal operation of a transistor, what is the bias of the (a) emitter-base junction and (b) base-collector junction? 1.  (a) Forward     (b) reverse 2.  (a) Forward     (b) forward 3.  (a) Reverse (b) forward 4.  (a)  Reverse    (b) reverse