Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 81 9 None of these 85 6 81 9 None of these 85 6 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? 100 W 200 W 20 W None of these 1000 W 100 W 200 W 20 W None of these 1000 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At cut off, the Q point is at lower end of the load line None of these infinity middle of the load line upper end of the load line lower end of the load line None of these infinity middle of the load line upper end of the load line ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? 68.4 mA None of these 34.4 mA 28.4 mA 24.2 mA 68.4 mA None of these 34.4 mA 28.4 mA 24.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? 224 ohm 89.3 ohm 77.7 ohm None of these 88.8 ohm 224 ohm 89.3 ohm 77.7 ohm None of these 88.8 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: equal to the sum of the individual capacitive-reactance values less than the capacitance value of the smallest capacitor equal to the sum of the individual capacitance values equal to the source voltage divided by total current None of these equal to the sum of the individual capacitive-reactance values less than the capacitance value of the smallest capacitor equal to the sum of the individual capacitance values equal to the source voltage divided by total current None of these ANSWER DOWNLOAD EXAMIANS APP