Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? None of these 0.4 V 24 V 600 V 4.73 None of these 0.4 V 24 V 600 V 4.73 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a series RLC circuit is operating at its resonant frequency: inductive reactance is greater than the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance None of these capacitive reactance is greater than the inductive reactance inductive reactance is equal to the capacitive reactance inductive reactance is greater than the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance None of these capacitive reactance is greater than the inductive reactance inductive reactance is equal to the capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RL circuit? The total voltage is equal to the sum of the voltages across the resistance and inductance The total voltages is less than the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 The voltage always has the same amplitude and phase for every part of the circuit None of these The total voltage is equal to the sum of the voltages across the resistance and inductance The total voltages is less than the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 The voltage always has the same amplitude and phase for every part of the circuit None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Regulate voltage Amplify weak signals Rectify line voltage None of these Emit light Regulate voltage Amplify weak signals Rectify line voltage None of these Emit light ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Who invented the first junction transistor? Shockley None of these Smith Gomes Fisher Shockley None of these Smith Gomes Fisher ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? Like magnetic poles repel; unlike poles attract Current flowing through a conductor generates a magnetic field Like magnetic poles attract; unlike poles repel Current is induced in a conductor that is moving through a magnetic field None of these Like magnetic poles repel; unlike poles attract Current flowing through a conductor generates a magnetic field Like magnetic poles attract; unlike poles repel Current is induced in a conductor that is moving through a magnetic field None of these ANSWER DOWNLOAD EXAMIANS APP