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 None of these 312 Ohm less than 1 Ohm 1590 Ohm 690 Ohm None of these 312 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 180 0.25 None of these 0.5 4 180 0.25 None of these 0.5 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RL circuit? The current always has the same amplitude and phase for every part of the circuit None of these The total current is less than the sum of the currents through the resistance and inductance The total current leads the total voltage by less than 90 The total current is equal to the sum of the currents through the resistance and inductance The current always has the same amplitude and phase for every part of the circuit None of these The total current is less than the sum of the currents through the resistance and inductance The total current leads the total voltage by less than 90 The total current is equal to the sum of the currents through the resistance and inductance 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? Counterclockwise Into this page None of these Clockwise Out of this page Counterclockwise Into this page None of these Clockwise Out of this page ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RC circuit? The total voltage is greater than the sum of the voltages across the resistance and capacitance The total voltage is less than the sum of the voltages across the resistance and capacitance The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these The total voltage is greater than the sum of the voltages across the resistance and capacitance The total voltage is less than the sum of the voltages across the resistance and capacitance The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: cuts the inductive reactance in half has no effect on the inductive reactance None of these multiplies the inductive reactance by 6.28 doubles the amount of inductive reactance cuts the inductive reactance in half has no effect on the inductive reactance None of these multiplies the inductive reactance by 6.28 doubles the amount of inductive reactance ANSWER DOWNLOAD EXAMIANS APP