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? 2 k Ohm 10 k Ohm 1 k Ohm 20 k Ohm None of these 2 k Ohm 10 k Ohm 1 k Ohm 20 k Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RL circuit? None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage lags the total current by less than 90 The total voltages is equal to the sum of the voltages across the resistance and inductance The total voltage is less than the sum of the voltages across the resistance and inductance None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage lags the total current by less than 90 The total voltages is equal to the sum of the voltages across the resistance and inductance The total voltage is less than the sum of the voltages across the resistance and inductance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of Less than 100 k Ohm At least 10 Ohm None of these More than 100 k Ohm less than 10 Ohm Less than 100 k Ohm At least 10 Ohm None of these More than 100 k Ohm less than 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode? None of these 55.86 A 18.2 mA 55 A 16.3 mA None of these 55.86 A 18.2 mA 55 A 16.3 mA 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 0.17 V 10.17 V 18.8 V 20 V None of these 0.17 V 10.17 V 18.8 V 20 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.4 A None of these 0.2 A 0.6 A 0.3 A 0.4 A None of these 0.2 A 0.6 A 0.3 A ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS