Electronic Principles Which one of the following statements is true for the impedance of a series RC circuit? The impedance is greater than either the resistance or capacitive reactance but less than their sum None of these The impedance is greater than the sum of the resistance and capacitive reactance The impedance is equal to the sum of the resistance and capacitive reactance The impedance is less than the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum None of these The impedance is greater than the sum of the resistance and capacitive reactance The impedance is equal to the sum of the resistance and capacitive reactance The impedance is less than the sum of the resistance and capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles 1 Microfarad is the same as: None of these 1 millionth of a picofarad 1 million picofarads 1000 millifarads 1 million farads None of these 1 millionth of a picofarad 1 million picofarads 1000 millifarads 1 million farads ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? None of these 18.8 V 20 V 0.17 V 10.17 V None of these 18.8 V 20 V 0.17 V 10.17 V 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? None of these 1 k Ohm 10 k Ohm 2 k Ohm 20 k Ohm None of these 1 k Ohm 10 k Ohm 2 k Ohm 20 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An ideal voltage source has None of these Zero internal resistance A load-dependent current Infinite internal resistance A load dependent voltage None of these Zero internal resistance A load-dependent current Infinite internal resistance A load dependent voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? Combinations of resistance and inductive reactance provide any opposition to current flow Resistances provide the only opposition to current flow Inductive reactance provides the only opposition to current flow None of these The ac voltage lags the current by 90 degree Combinations of resistance and inductive reactance provide any opposition to current flow Resistances provide the only opposition to current flow Inductive reactance provides the only opposition to current flow None of these The ac voltage lags the current by 90 degree ANSWER DOWNLOAD EXAMIANS APP