Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? None of these 208 V 700 V 651 V 707 V None of these 208 V 700 V 651 V 707 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? None of these Counterclockwise Clockwise Into this page Out of this page None of these Counterclockwise Clockwise Into this page Out of this page ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Thevenin resistance is equal in value to the Load resistance Half the load resistance None of these Internal resistance of a Morton circuit Open-load resistance Load resistance Half the load resistance None of these Internal resistance of a Morton circuit Open-load resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when the core material is saturated Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when the core material is saturated Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 81 85 9 None of these 6 81 85 9 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain varies enormously varies slightly None of these is contant equals the collector current divided by the base current varies enormously varies slightly None of these is contant equals the collector current divided by the base current ANSWER DOWNLOAD EXAMIANS APP
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