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 2 k Ohm 20 k Ohm 10 k Ohm None of these 1 k Ohm 2 k Ohm 20 k Ohm 10 k Ohm 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 651 V 208 V 700 V None of these 707 V 651 V 208 V 700 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? The algebraic sum of voltages in a loop is equal to zero None of these The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of voltages entering and leaving a point is equal to zero The total voltage in a parallel circuit is less than the value of the smallest voltage The algebraic sum of voltages in a loop is equal to zero None of these The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of voltages entering and leaving a point is equal to zero The total voltage in a parallel circuit is less than the value of the smallest voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 50 Ohm or more 100 Ohm 5 Ohm None of these 6 Ohm 50 Ohm or more 100 Ohm 5 Ohm None of these 6 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Thevenin voltage, you have to Short the load resistor Open the load resister None of these Short the voltage source Open the voltage source Short the load resistor Open the load resister None of these Short the voltage source Open the voltage source 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 16.3 mA 55.86 A 55 A 18.2 mA None of these 16.3 mA 55.86 A 55 A 18.2 mA ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS