Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? 0.625 W 0.24 W None of these 80 W 325 kW 0.625 W 0.24 W None of these 80 W 325 kW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? None of these The voltage remains at one polarity and at a steady level The voltage causes current to flow in two directions at the same time The voltage reverses polarity periodically The voltage remains at one polarity but changes value periodically None of these The voltage remains at one polarity and at a steady level The voltage causes current to flow in two directions at the same time The voltage reverses polarity periodically The voltage remains at one polarity but changes value periodically 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 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 changes direction periodically The current in an ac circuit flows in one direction at a steady level 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 changes direction periodically The current in an ac circuit flows in one direction at a steady level ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? Resistances provide the only opposition to current flow The ac voltage lags the current by 90 degree Combinations of resistance and inductive reactance provide any opposition to current flow None of these Inductive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow The ac voltage lags the current by 90 degree Combinations of resistance and inductive reactance provide any opposition to current flow None of these Inductive reactance provides the only opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Positive ions are atoms that have Lost a proton Lost an electron None of these Gained an electron Gained a proton Lost a proton Lost an electron None of these Gained an electron Gained a proton ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 85 81 None of these 6 9 85 81 None of these 6 9 ANSWER DOWNLOAD EXAMIANS APP