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 remains at one polarity but changes value periodically None of these The voltage causes current to flow in two directions at the same time The voltage remains at one polarity and at a steady level The voltage reverses polarity periodically The voltage remains at one polarity but changes value periodically None of these The voltage causes current to flow in two directions at the same time The voltage remains at one polarity and at a steady level ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Electron current is flowing through a conductor in a direction you might describe as straight into this page. What is the direction of the resulting magnetic field? Into this page Counterclockwise None of these Out of this page Clockwise Into this page Counterclockwise None of these Out of this page Clockwise ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common auto batteries? None of these Auto batteries are secondary dry-cell batteries Auto batteries are secondary wet-cell batteries Auto batteries are primary wet-cell batteries Auto batteries are primary dry-cell batteries None of these Auto batteries are secondary dry-cell batteries Auto batteries are secondary wet-cell batteries Auto batteries are primary wet-cell batteries Auto batteries are primary dry-cell batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Neither Secondary voltage None of these Impossible to say Primary voltage Neither Secondary voltage None of these Impossible to say Primary voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic silicon crystal acts approximately like None of these a piece of copper wire a battery a conductor an insulator None of these a piece of copper wire a battery a conductor an insulator ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 5 Ohm 50 Ohm or more 100 Ohm None of these 6 Ohm 5 Ohm 50 Ohm or more 100 Ohm None of these 6 Ohm ANSWER DOWNLOAD EXAMIANS APP
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