Electronic Principles The rotating coil of wire in an electric motor is called the: loop armature brush commutator None of these loop armature brush commutator None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a series RLC circuit has the characteristics of a: series RC circuit None of these series RL circuit purely resistive circuit series RLC circuit operated below its resonant frequency series RC circuit None of these series RL circuit purely resistive circuit series RLC circuit operated below its resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals increases the level of all frequencies by a significant amount has no effect on ac signals None of these passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals increases the level of all frequencies by a significant amount has no effect on ac signals None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain equals the collector current divided by the base current is contant None of these varies slightly varies enormously equals the collector current divided by the base current is contant None of these varies slightly varies enormously 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? None of these 2 3 43891 43922 None of these 2 3 43891 43922 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? There is no valid comparison Permeance Permeability Reluctance Retentivity There is no valid comparison Permeance Permeability Reluctance Retentivity ANSWER DOWNLOAD EXAMIANS APP