Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 81 None of these 9 85 6 81 None of these 9 85 6 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a series RLC circuit is operating at its resonant frequency: inductive reactance is equal to the capacitive reactance capacitive reactance is greater than the inductive reactance None of these inductive reactance is greater than the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is equal to the capacitive reactance capacitive reactance is greater than the inductive reactance None of these inductive reactance is greater than the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? None of these 400 Ohm 310 Ohm 550 Ohm 410 Ohm None of these 400 Ohm 310 Ohm 550 Ohm 410 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: None of these peak both the voltage and current waveforms peak the voltage and round off the current waveforms peak the current and round off the voltage waveforms round off both the voltage and current waveforms None of these peak both the voltage and current waveforms peak the voltage and round off the current waveforms peak the current and round off the voltage waveforms round off both the voltage and current waveforms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? 20 k Ohm None of these 2 k Ohm 10 k Ohm 1 k Ohm 20 k Ohm None of these 2 k Ohm 10 k Ohm 1 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? A diamagnetic material A feiTomagnetic material A paramagnetic material None of these All of these A diamagnetic material A feiTomagnetic material A paramagnetic material None of these All of these ANSWER DOWNLOAD EXAMIANS APP
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