Electronic Principles When a parallel RLC circuit is operating at its resonant frequency: None of these capacitive reactance is greater than the inductive reactance inductive reactance is equal to the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is greater than the capacitive reactance None of these capacitive reactance is greater than the inductive reactance inductive reactance is equal to the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is greater than the capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage remains at one polarity and at a steady level The voltage remains at one polarity but changes value periodically The voltage causes current to flow in two directions at the same time None of these The voltage reverses polarity periodically The voltage remains at one polarity and at a steady level The voltage remains at one polarity but changes value periodically The voltage causes current to flow in two directions at the same time None of these The voltage reverses polarity periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Current is induced in a conductor that is moving through a magnetic field None of these Current flowing through a conductor generates a magnetic field Like magnetic poles attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract Current is induced in a conductor that is moving through a magnetic field None of these Current flowing through a conductor generates a magnetic field Like magnetic poles attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: is minimum at the resonant frequency None of these always decreases as the applied frequency increases is maximum at the resonant frequency always increases as the applied frequency increases is minimum at the resonant frequency None of these always decreases as the applied frequency increases is maximum at the resonant frequency always increases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Magnetomotive force Reluctance Number of lines of force None of these Flux density Magnetomotive force Reluctance Number of lines of force None of these Flux density ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.2 mA None of these 13 mA 3.75 mA 0.05 mA 3.2 mA None of these 13 mA 3.75 mA 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
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