Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 85 81 None of these 9 6 85 81 None of these 9 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? The ac voltage leads the current by 90 degree None of these Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow Capacitive reactance provides the only opposition to current flow The ac voltage leads the current by 90 degree None of these Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow Capacitive reactance provides the only opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 24 V 0.4 V None of these 4.73 600 V 24 V 0.4 V None of these 4.73 600 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductance of a series inductor circuit is: None of these equal to the sum of the individual inductive-reactance values equal to the source voltage divided by total current less than the value of the smallest inductor equal to the sum of the individual inductance values None of these equal to the sum of the individual inductive-reactance values equal to the source voltage divided by total current less than the value of the smallest inductor equal to the sum of the individual inductance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: peak both the voltage and current waveforms peak the current and round off the voltage waveforms None of these round off both the voltage and current waveforms peak the voltage and round off the current waveforms peak both the voltage and current waveforms peak the current and round off the voltage waveforms None of these round off both the voltage and current waveforms peak the voltage and round off the current waveforms 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? 24 V None of these 18 V 12 V 30 V 24 V None of these 18 V 12 V 30 V ANSWER DOWNLOAD EXAMIANS APP
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