Electronic Principles Positive ions are atoms that have Lost a proton Gained an electron None of these Lost an electron Gained a proton Lost a proton Gained an electron None of these Lost 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? 6 85 9 None of these 81 6 85 9 None of these 81 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the amplitude at 70.7% of the maximum value None of these the amplitude at 1.41 times the maximum value the amplitude at 90% of the maximum value the maximum positive or negative value the amplitude at 70.7% of the maximum value None of these the amplitude at 1.41 times the maximum value the amplitude at 90% of the maximum value the maximum positive or negative value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 180 V 120 V None of these 170 V 100 V 180 V 120 V None of these 170 V 100 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? less than 1 Ohm 1590 Ohm 690 Ohm 312 Ohm None of these less than 1 Ohm 1590 Ohm 690 Ohm 312 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP