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 1 k Ohm 2 k Ohm 10 k Ohm 20 k Ohm None of these 1 k Ohm 2 k Ohm 10 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? 89.3 ohm 224 ohm None of these 88.8 ohm 77.7 ohm 89.3 ohm 224 ohm None of these 88.8 ohm 77.7 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What causes the depletion layer? Ions None of these Barrier potential Recombination Doping Ions None of these Barrier potential Recombination Doping ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a parallel RLC circuit? All 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 None of these All 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 707 V None of these 651 V 208 V 700 V 707 V None of these 651 V 208 V 700 V 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 the difference between inductive and capacitive reactance is equal to the resistance capacitive reactance is greater than the inductive reactance None of these inductive reactance is greater than the capacitive reactance inductive reactance is equal to the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance capacitive reactance is greater than the inductive reactance None of these inductive reactance is greater than the capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
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