Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 10.3 µA 7.75 µA 7.8 µA 14.8 µA None of these 10.3 µA 7.75 µA 7.8 µA 14.8 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: has no effect on ac signals reduces the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals None of these passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals reduces the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals None of these passes lower-frequency signals and reduces higher-frequency signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Who invented the first junction transistor? Shockley None of these Fisher Smith Gomes Shockley None of these Fisher Smith Gomes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from zero to its rms value from 10% of the peak value to 90% of the peak value None of these from 10% of the peak value to 70.7% of the peak value from zero to its peak value from zero to its rms value from 10% of the peak value to 90% of the peak value None of these from 10% of the peak value to 70.7% of the peak value from zero to its peak value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 1590 Ohm None of these less than 1 Ohm 312 Ohm 690 Ohm 1590 Ohm None of these less than 1 Ohm 312 Ohm 690 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductive reactance of a parallel inductor circuit is: equal to the source voltage divided by total current equal to the sum of the individual inductive-reactance values equal to the sum of the individual inductance values None of these less than the inductance value of the smallest inductor equal to the source voltage divided by total current equal to the sum of the individual inductive-reactance values equal to the sum of the individual inductance values None of these less than the inductance value of the smallest inductor ANSWER DOWNLOAD EXAMIANS APP