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 A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 400 Ohm 410 Ohm None of these 550 Ohm 310 Ohm 400 Ohm 410 Ohm None of these 550 Ohm 310 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the frequency of the applied voltage None of these increasing the area of the plates decreasing the area of the plates increasing the voltage applied to the plates increasing the frequency of the applied voltage None of these increasing the area of the plates decreasing the area of the plates increasing the voltage applied to the plates ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a series RLC circuit has the characteristics of a: series RL circuit series RC circuit series RLC circuit operated below its resonant frequency None of these purely resistive circuit series RL circuit series RC circuit series RLC circuit operated below its resonant frequency None of these purely resistive circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point nowhere down up None of these off the load line nowhere down up None of these off the load line ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: None of these multiplies the inductive reactance by 6.28 has no effect on the inductive reactance cuts the inductive reactance in half doubles the amount of inductive reactance None of these multiplies the inductive reactance by 6.28 has no effect on the inductive reactance cuts the inductive reactance in half doubles the amount of inductive reactance ANSWER DOWNLOAD EXAMIANS APP
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