Electronic Principles Which is the most widely used semiconductor? None of these Copper All of these Silicon Germanium None of these Copper All of these Silicon Germanium ANSWER DOWNLOAD EXAMIANS APP
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 Clockwise Into this page None of these Out of this page Counterclockwise Clockwise Into this page 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 varies slightly None of these is contant varies enormously equals the collector current divided by the base current varies slightly None of these is contant varies enormously ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 30 Ohm 60 Ohm 120 Ohm None of these 754 Ohm 30 Ohm 60 Ohm 120 Ohm None of these 754 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current and voltage are exactly in phase ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree None of these ac current is converted to dc voltage ac current and voltage are exactly in phase ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree None of these ac current is converted to dc voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: None of these from 10% of the peak value to 70.7% of the peak value from zero to its peak value from 10% of the peak value to 90% of the peak value from zero to its rms value None of these from 10% of the peak value to 70.7% of the peak value from zero to its peak value from 10% of the peak value to 90% of the peak value from zero to its rms value ANSWER DOWNLOAD EXAMIANS APP