Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 24 V None of these 30 V 18 V 12 V 24 V None of these 30 V 18 V 12 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? Counterclockwise Into this page None of these Out of this page Clockwise Counterclockwise Into this page None of these Out of this page Clockwise ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Amplify weak signals None of these Regulate voltage Rectify line voltage Emit light Amplify weak signals None of these Regulate voltage Rectify line voltage Emit light ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? None of these 30 Ohm 120 Ohm 754 Ohm 60 Ohm None of these 30 Ohm 120 Ohm 754 Ohm 60 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has how many doped regions? 4 None of these 3 2 1 4 None of these 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductive reactance of a parallel inductor circuit is: equal to the sum of the individual inductive-reactance values less than the inductance value of the smallest inductor None of these equal to the sum of the individual inductance values equal to the source voltage divided by total current equal to the sum of the individual inductive-reactance values less than the inductance value of the smallest inductor None of these equal to the sum of the individual inductance values equal to the source voltage divided by total current ANSWER DOWNLOAD EXAMIANS APP
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