Electronic Principles The total inductive reactance of a parallel inductor circuit is: None of these equal to the source voltage divided by total current less than the inductance value of the smallest inductor equal to the sum of the individual inductive-reactance values equal to the sum of the individual inductance values None of these equal to the source voltage divided by total current less than the inductance value of the smallest inductor 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 If a load resistance is 1 kW, a stiff current source has a resistance of More than 100 k Ohm None of these Less than 100 k Ohm Less than 10 Ohm At least 10 Ohm More than 100 k Ohm None of these Less than 100 k Ohm Less than 10 Ohm At least 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the highest permeability? A ferromagnetic material A diamagnetic material None of these A paramagnetic material All of these A ferromagnetic material A diamagnetic material None of these A paramagnetic material All of these 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? 208 mA None of these 7.8 mA 300 mA 200 mA 208 mA None of these 7.8 mA 300 mA 200 mA 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? 0.25 None of these 180 4 0.5 0.25 None of these 180 4 0.5 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RL circuit? The total voltage is equal to the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 None of these The total voltages is less than the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 None of these The total voltages is less than the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit ANSWER DOWNLOAD EXAMIANS APP
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