Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 3 2 43891 None of these 43922 3 2 43891 None of these 43922 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Magnetomotive force Reluctance Flux density Number of lines of force None of these Magnetomotive force Reluctance Flux density Number of lines of force None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 180 0.25 None of these 0.5 4 180 0.25 None of these 0.5 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RC circuit? The total current is equal to the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current. is greater than the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance None of these The total current is equal to the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current. is greater than the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 300 mW 10 mW None of these 20 mW 200 mW 300 mW 10 mW None of these 20 mW 200 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductance of a series inductor circuit is: equal to the sum of the individual inductive-reactance values None of these equal to the sum of the individual inductance 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 inductive-reactance values None of these equal to the sum of the individual inductance values equal to the source voltage divided by total current less than the value of the smallest inductor ANSWER DOWNLOAD EXAMIANS APP
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