Electronic Principles What is a free electron? An electron that costs nothing An electron that has been freed from its parent atom None of these An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge An electron that costs nothing An electron that has been freed from its parent atom None of these An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductive reactance of a parallel inductor circuit is: less than the inductance value of the smallest inductor None of these equal to the source voltage divided by total current equal to the sum of the individual inductive-reactance values equal to the sum of the individual inductance values less than the inductance value of the smallest inductor None of these equal to the source voltage divided by total current equal to the sum of the individual inductive-reactance values equal to the sum of the individual inductance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RC circuit? None of these The total voltage is less than the sum of the voltages across the resistance and capacitance The voltage always has the same amplitude and phase for every part of the circuit The total voltage leads the total current by less than 90 degree The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these The total voltage is less than the sum of the voltages across the resistance and capacitance The voltage always has the same amplitude and phase for every part of the circuit The total voltage leads the total current by less than 90 degree The total voltage is equal to the sum of the voltages across the resistance and capacitance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? Two - a negative terminal and a positive terminal None of these Four - two negative and two positive Three - negative, positive and neutral terminals One - a negative terminal Two - a negative terminal and a positive terminal None of these Four - two negative and two positive Three - negative, positive and neutral terminals One - a negative terminal ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? None of these 7.8 mA 208 mA 300 mA 200 mA None of these 7.8 mA 208 mA 300 mA 200 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a parallel RLC circuit has the characteristics of a: parallel RLC circuit operated above its resonant frequency None of these parallel RC circuit parallel RL circuit purely resistive circuit parallel RLC circuit operated above its resonant frequency None of these parallel RC circuit parallel RL circuit purely resistive circuit ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS