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 Holes act like: Atoms Negative charges None of these Positive charges Crystals Atoms Negative charges None of these Positive charges Crystals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which is the most widely used semiconductor? All of these None of these Silicon Copper Germanium All of these None of these Silicon Copper Germanium ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode? 16.3 mA 18.2 mA 55.86 A None of these 55 A 16.3 mA 18.2 mA 55.86 A None of these 55 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature None of these Stays the same Increases 0oC Decreases None of these Stays the same Increases 0oC Decreases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the impedance of a series RC circuit? The impedance is less than the sum of the resistance and capacitive reactance The impedance is greater than the sum of the resistance and capacitive reactance None of these The impedance is equal to the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum The impedance is less than the sum of the resistance and capacitive reactance The impedance is greater than the sum of the resistance and capacitive reactance None of these The impedance is equal to the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum ANSWER DOWNLOAD EXAMIANS APP
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