Electronic Principles An ideal voltage source has A load dependent voltage None of these Zero internal resistance Infinite internal resistance A load-dependent current A load dependent voltage None of these Zero internal resistance Infinite internal resistance A load-dependent current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The valence electron of a copper atom experiences what kind of attraction toward the nucleus? None of these Strong Weak Impossible to say Neutral None of these Strong Weak Impossible to say Neutral ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 81 85 9 None of these 6 81 85 9 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals None of these has no effect on ac signals passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals None of these has no effect on ac signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when the core material is saturated None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when the core material is saturated None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductive reactance of a parallel inductor circuit is: equal to the sum of the individual inductive-reactance values less than the inductance value of the smallest inductor None of these equal to the sum of the individual inductance values equal to the source voltage divided by total current equal to the sum of the individual inductive-reactance values less than the inductance value of the smallest inductor None of these equal to the sum of the individual inductance values equal to the source voltage divided by total current ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS