Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? 20 W 100 W None of these 200 W 1000 W 20 W 100 W None of these 200 W 1000 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.6 A None of these 0.2 A 0.3 A 0.4 A 0.6 A None of these 0.2 A 0.3 A 0.4 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current? 17.5 mA 1750 mA 175 mA 1.75 mA None of these 17.5 mA 1750 mA 175 mA 1.75 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: equal to the sum of the individual capacitance values 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 source voltage divided by total current equal to the sum of the individual capacitance values 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 source voltage divided by total current 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? 34.4 mA 28.4 mA None of these 68.4 mA 24.2 mA 34.4 mA 28.4 mA None of these 68.4 mA 24.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the highest permeability? A ferromagnetic material None of these All of these A paramagnetic material A diamagnetic material A ferromagnetic material None of these All of these A paramagnetic material A diamagnetic material ANSWER DOWNLOAD EXAMIANS APP
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