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 2 k Ohm None of these 10 k Ohm 1 k Ohm 20 k Ohm 2 k Ohm None of these 10 k Ohm 1 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? None of these 0.02 A 2.02 A 0.955 A 0.41666666666667 None of these 0.02 A 2.02 A 0.955 A 0.41666666666667 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 100 V 120 V 180 V 170 V None of these 100 V 120 V 180 V 170 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 36 V 40 V None of these 60 V 0 V 36 V 40 V None of these 60 V 0 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: has no effect on the capacitive reactance cuts the capacitive reactance in half None of these multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance has no effect on the capacitive reactance cuts the capacitive reactance in half None of these multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Permeance Reluctance Retentivity Permeability There is no valid comparison Permeance Reluctance Retentivity Permeability There is no valid comparison ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS