Electronic Principles The graph of current gain versus collector current indicates that the current gain varies slightly varies enormously None of these equals the collector current divided by the base current is contant varies slightly varies enormously None of these equals the collector current divided by the base current is contant ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts chemical energy to electrical energy is called a: electric device thermocouple None of these chemical cell solar cell electric device thermocouple None of these chemical cell solar cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-opposing form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 7.5 V 8 V 3 V None of these 16 V 7.5 V 8 V 3 V None of these 16 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction at a steady level The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction, but changes value periodically None of these The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction at a steady level The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction, but changes value periodically None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately describes the nature of inductive reactance? Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is another term for counter emf Inductive reactance is an opposition to current flow in ac circuits None of these Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is another term for counter emf Inductive reactance is an opposition to current flow in ac circuits None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current leads the voltage by 90 degree ac current is converted to dc voltage ac current and voltage are exactly in phase None of these ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree ac current is converted to dc voltage ac current and voltage are exactly in phase None of these ac current lags the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
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