Electronic Principles Electron current is flowing through a conductor in a direction you might describe as straight into this page. What is the direction of the resulting magnetic field? Out of this page Counterclockwise None of these Into this page Clockwise Out of this page Counterclockwise None of these Into this page Clockwise ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: passes higher-frequency signals and reduces lower-frequency signals reduces the level of all frequencies by a significant amount None of these passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals passes higher-frequency signals and reduces lower-frequency signals reduces the level of all frequencies by a significant amount None of these passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain varies slightly is contant equals the collector current divided by the base current None of these varies enormously varies slightly is contant equals the collector current divided by the base current None of these varies enormously ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RL circuit? The total voltage is less than the sum of the voltages across the resistance and inductance None of these The total voltage lags the total current by less than 90 The total voltages is equal to the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit The total voltage is less than the sum of the voltages across the resistance and inductance None of these The total voltage lags the total current by less than 90 The total voltages is equal to the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? None of these 250 µA 300 µA 350 µA 0.25 µA None of these 250 µA 300 µA 350 µA 0.25 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: Same as the primary current None of these No more than 10% less than the primary current Twice the primary current One-half the primary current Same as the primary current None of these No more than 10% less than the primary current Twice the primary current One-half the primary current ANSWER DOWNLOAD EXAMIANS APP
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