Electronic Principles Current is An imbalance of electrical charges None of these The flow of charged particles through a material The number of free electrons in an atom The force that causes electrons to flow An imbalance of electrical charges None of these The flow of charged particles through a material The number of free electrons in an atom The force that causes electrons to flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 14.8 µA 7.75 µA 7.8 µA 10.3 µA None of these 14.8 µA 7.75 µA 7.8 µA 10.3 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How may valence electrons does a silicon atom have? None of these 2 4 1 None of these 2 4 1 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 30 V 18 V 12 V None of these 24 V 30 V 18 V 12 V None of these 24 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? 20 V 0.17 V None of these 10.17 V 18.8 V 20 V 0.17 V None of these 10.17 V 18.8 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Electron current is flowing through a conductor in a direction you might describe as straight into this page. What is the direction of the resulting magnetic field? Out of this page None of these Clockwise Counterclockwise Into this page Out of this page None of these Clockwise Counterclockwise Into this page ANSWER DOWNLOAD EXAMIANS APP
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