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? 34.4 mA 28.4 mA 68.4 mA None of these 24.2 mA 34.4 mA 28.4 mA 68.4 mA None of these 24.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: None of these its contact remain open you are not pressing the button you are pressing the button its contact remain open None of these its contact remain open you are not pressing the button you are pressing the button its contact remain open ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Stays the same None of these Decreases Increases 0oC Stays the same None of these Decreases Increases 0oC ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.2 mA None of these 0.05 mA 13 mA 3.75 mA 3.2 mA None of these 0.05 mA 13 mA 3.75 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: is minimum at the resonant frequency always increases as the applied frequency increases is maximum at the resonant frequency None of these always decreases as the applied frequency increases is minimum at the resonant frequency always increases as the applied frequency increases is maximum at the resonant frequency None of these always decreases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductance of a series inductor circuit is: equal to the sum of the individual inductance values equal to the sum of the individual inductive-reactance values less than the value of the smallest inductor None of these equal to the source voltage divided by total current equal to the sum of the individual inductance values equal to the sum of the individual inductive-reactance values less than the value of the smallest inductor None of these equal to the source voltage divided by total current ANSWER DOWNLOAD EXAMIANS APP
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