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Self-Test 1 Q&A 3-2

Self-Test Questions Volume 1

QuestionAnswer
What is the only difference between the symbols of the PNP and NPN transistors? The direction of the arrow on the emitter lead
Which direction does external current flow in a transistor? Against the arrow on the emitter lead
How is proper bias for a transistor shown on a schematic? Schematic symbols are used to show proper bias polarities for the battery to the transistor
What are the three basic configurations in which you can connect a transistor? Common emitter; common base; and common collector
What is the grounded element common to? Both the input and output circuits
What type of voltage is applied to a PNP transistor to satisfy the requirement for reverse bias between the collector and base? Negative voltage
When testing an SCR or any other electronic devices, what precautions should you take? Ensure that you know what voltage and current levels you are dealing with
How can an SCR be turned off in minimum time? By reverse biasing the anode
How are most integrated circuits produced? By a batch-fabrication method
What are the changes in characteristics that result from the differences in manufacture and physical size of integrated circuits? Very few capacitors and almost no inductors are used. All Component values & voltages used are smaller than discrete circuits. Integrated circuit transistors normally will be NPN. Throw-away maintenance is used with integrated circuits
How do you classify circuits that you use in digital equipment? According to the types of components used in the circuit
What are the five major classes of circuit components? Direct logic (DL). Resistor-transistor logic (RTL). Diode-transistor logic (DTL). Transistor-transistor logic (TTL). Direct-coupled transistor logic (DCTL).
What is one of the largest problems in all types of semiconductor operations? Faulty connection between components and circuits
Created by: RenegadeWolf
 

 



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