Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 9 81 6 85 None of these 9 81 6 85 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for current is the: watt volt ampere None of these ohm watt volt ampere None of these ohm 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 from zero to its peak value None of these from 10% of the peak value to 70.7% of the peak value from zero to its rms value from 10% of the peak value to 90% of the peak value from zero to its peak value None of these from 10% of the peak value to 70.7% of the peak value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the highest permeability? A paramagnetic material A ferromagnetic material None of these All of these A diamagnetic material A paramagnetic material A ferromagnetic material None of these All of these A diamagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? 68.4 mA None of these 28.4 mA 34.4 mA 24.2 mA 68.4 mA None of these 28.4 mA 34.4 mA 24.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source? 0.995 mA None of these 2.02 A 0.151 mA 157 raA 0.995 mA None of these 2.02 A 0.151 mA 157 raA ANSWER DOWNLOAD EXAMIANS APP