Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 651 V 208 V 700 V None of these 707 V 651 V 208 V 700 V None of these 707 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which is the most widely used semiconductor? All of these None of these Germanium Copper Silicon All of these None of these Germanium Copper Silicon ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between the kinds of charges for an electron and a proton? An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has no charge None of these An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has no charge An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has no charge None of these An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has no charge 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? None of these 24.2 mA 34.4 mA 68.4 mA 28.4 mA None of these 24.2 mA 34.4 mA 68.4 mA 28.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RC circuit? The total current is equal to the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is less than the sum of the currents for the resistance and capacitance The total current. is greater than the sum of the currents for the resistance and capacitance None of these The total current is equal to the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is less than the sum of the currents for the resistance and capacitance The total current. is greater than the sum of the currents for the resistance and capacitance 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 equal to the source voltage divided by total current less than the capacitance value of the smallest capacitor equal to the sum of the individual capacitance values None of these equal to the sum of the individual capacitive-reactance values equal to the source voltage divided by total current less than the capacitance value of the smallest capacitor ANSWER DOWNLOAD EXAMIANS APP
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