Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 30 V 18 V None of these 24 V 12 V 30 V 18 V None of these 24 V 12 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the algebraic sum of this series of values:+2, -3, -6,+4? None of these -6 -3 2 None of these -6 -3 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? None of these The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The actual frequency of a sine waveform is 1.41 times the working frequency The higher the amplitude of a waveform, the higher its frequency None of these The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The actual frequency of a sine waveform is 1.41 times the working frequency The higher the amplitude of a waveform, the higher its frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Inductive reactance is measured in units of: amperes per second henrys volts per second None of these Ohm amperes per second henrys volts per second None of these Ohm 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? 68.4 mA 24.2 mA 28.4 mA None of these 34.4 mA 68.4 mA 24.2 mA 28.4 mA None of these 34.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: equal to the sum of the individual capacitance values equal to the sun of the individual capacitive-reactance values less than the value of the smallest capacitor equal to the source voltage divided by total current None of these equal to the sum of the individual capacitance values equal to the sun of the individual capacitive-reactance values less than the value of the smallest capacitor equal to the source voltage divided by total current None of these ANSWER DOWNLOAD EXAMIANS APP
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