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 None of these The voltage always has the same amplitude and phase for every part of the 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 None of these The voltage always has the same amplitude and phase for every part of the circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.3 A 0.2 A 0.4 A 0.6 A None of these 0.3 A 0.2 A 0.4 A 0.6 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain varies slightly equals the collector current divided by the base current varies enormously None of these is contant varies slightly equals the collector current divided by the base current varies enormously None of these is contant ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: always increases as the applied frequency increases is minimum at the resonant frequency None of these is maximum at the resonant frequency always decreases as the applied frequency increases always increases as the applied frequency increases is minimum at the resonant frequency None of these is maximum at the resonant frequency always decreases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The force of attraction between the poles of a permanent and temporary magnetic field The amount of magnetic flux that is not confined to the core material of an electromagnet None of these The circular magnetic field that surrounds a conductor carrying a current Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The force of attraction between the poles of a permanent and temporary magnetic field The amount of magnetic flux that is not confined to the core material of an electromagnet None of these The circular magnetic field that surrounds a conductor carrying a current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Who invented the first junction transistor? Fisher None of these Shockley Smith Gomes Fisher None of these Shockley Smith Gomes ANSWER DOWNLOAD EXAMIANS APP
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