Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? 28.4 mA 68.4 mA None of these 34.4 mA 24.2 mA 28.4 mA 68.4 mA None of these 34.4 mA 24.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? None of these The ac voltage lags the current by 90 degree Inductive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow Combinations of resistance and inductive reactance provide any opposition to current flow None of these The ac voltage lags the current by 90 degree Inductive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow Combinations of resistance and inductive reactance provide any opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 2 None of these 43891 3 43922 2 None of these 43891 3 43922 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain varies enormously is contant varies slightly equals the collector current divided by the base current None of these varies enormously is contant varies slightly equals the collector current divided by the base current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 8 V 15 V 16 V 7.5 V None of these 8 V 15 V 16 V 7.5 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a parallel RLC circuit? The current waveform for each component always has the same amplitude and phase as the applied current None of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage The sum of the current is always less than the applied current All of these The current waveform for each component always has the same amplitude and phase as the applied current None of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage The sum of the current is always less than the applied current All of these ANSWER DOWNLOAD EXAMIANS APP
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