Electronic Principles The total inductive reactance of a parallel inductor circuit is: equal to the sum of the individual inductance values equal to the sum of the individual inductive-reactance values less than the inductance value of the smallest inductor equal to the source voltage divided by total current None of these equal to the sum of the individual inductance values equal to the sum of the individual inductive-reactance values less than the inductance value of the smallest inductor equal to the source voltage divided by total current None of these 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? None of these 18 V 12 V 24 V 30 V None of these 18 V 12 V 24 V 30 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current lags the voltage through a resistor Current leads the voltage through a resistor None of these Current and voltages are in phase through a resistor All of these Current lags the voltage through a resistor Current leads the voltage through a resistor None of these Current and voltages are in phase through a resistor All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: always decreases as the applied frequency increases None of these always increases as the applied frequency increases is maximum at the resonant frequency is minimum at the resonant frequency always decreases as the applied frequency increases None of these always increases as the applied frequency increases is maximum at the resonant frequency is minimum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: oscillators generators lightning None of these batteries oscillators generators lightning None of these batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that has no electrical charge An electron that has been freed from its parent atom An electron that costs nothing An electron that has twice the amount of charge of a normal electron None of these An electron that has no electrical charge An electron that has been freed from its parent atom An electron that costs nothing An electron that has twice the amount of charge of a normal electron None of these ANSWER DOWNLOAD EXAMIANS APP