Electronic Principles In a step-down transformer, which is larger? Primary voltage None of these Neither Impossible to say Secondary voltage Primary voltage None of these Neither Impossible to say Secondary voltage 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 Less than 100 k Ohm Less than 10 Ohm None of these At least 10 Ohm More than 100 k Ohm Less than 100 k Ohm Less than 10 Ohm None of these At least 10 Ohm 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? None of these 13 mA 3.2 mA 0.05 mA 3.75 mA None of these 13 mA 3.2 mA 0.05 mA 3.75 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature 0oC Decreases Stays the same None of these Increases 0oC Decreases Stays the same None of these Increases 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? 24.2 mA 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Thevenin theorem replaces a complicated circuit facing a load by an Ideal current source and series resistor Ideal current source and parallel resistor None of these Ideal voltage source and parallel resistor Ideal voltage source and series resistor Ideal current source and series resistor Ideal current source and parallel resistor None of these Ideal voltage source and parallel resistor Ideal voltage source and series resistor ANSWER DOWNLOAD EXAMIANS APP
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