Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 9 81 85 None of these 6 9 81 85 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 10 mW 300 mW 200 mW 20 mW None of these 10 mW 300 mW 200 mW 20 mW None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: the amount of opposition to the current flow how well the material concentrates magnetic lines of force how well the material concentrates electrostatic lines of force the amount of voltage it can withstand before breaking down None of these the amount of opposition to the current flow how well the material concentrates magnetic lines of force how well the material concentrates electrostatic lines of force the amount of voltage it can withstand before breaking down None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a series RLC circuit? All of these None of these The sum of the current is always less than the applied current The current waveform for each component always has the same amplitude and phase as the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage All of these None of these The sum of the current is always less than the applied current The current waveform for each component always has the same amplitude and phase as the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a series RLC circuit has the characteristics of a: series RL circuit None of these purely resistive circuit series RLC circuit operated above its resonant frequency series RC circuit series RL circuit None of these purely resistive circuit series RLC circuit operated above its resonant frequency series RC circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: None of these cuts the inductive reactance in half multiplies the inductive reactance by 6.28 has no effect on the inductive reactance doubles the amount of inductive reactance None of these cuts the inductive reactance in half multiplies the inductive reactance by 6.28 has no effect on the inductive reactance doubles the amount of inductive reactance ANSWER DOWNLOAD EXAMIANS APP