Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? 224 ohm 77.7 ohm None of these 89.3 ohm 88.8 ohm 224 ohm 77.7 ohm None of these 89.3 ohm 88.8 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage reverses polarity periodically The voltage causes current to flow in two directions at the same time None of these The voltage remains at one polarity and at a steady level The voltage remains at one polarity but changes value periodically The voltage reverses polarity periodically The voltage causes current to flow in two directions at the same time None of these The voltage remains at one polarity and at a steady level The voltage remains at one polarity but changes value periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: 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 None of these its contact remain open you are not pressing the button you are pressing the button ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: equal to the sum of the individual capacitive-reactance values equal to the source voltage divided by total current equal to the sum of the individual capacitance values None of these less than the capacitance value of the smallest capacitor equal to the sum of the individual capacitive-reactance values equal to the source voltage divided by total current equal to the sum of the individual capacitance values None of these less than the capacitance value of the smallest capacitor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: One-half the primary current Same as the primary current Twice the primary current None of these No more than 10% less than the primary current One-half the primary current Same as the primary current Twice the primary current None of these No more than 10% less than the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the amplitude at 70.7% of the maximum value None of these the amplitude at 90% of the maximum value the maximum positive or negative value the amplitude at 1.41 times the maximum value the amplitude at 70.7% of the maximum value None of these the amplitude at 90% of the maximum value the maximum positive or negative value the amplitude at 1.41 times the maximum value ANSWER DOWNLOAD EXAMIANS APP
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