Electronic Principles Thevenin theorem replaces a complicated circuit facing a load by an Ideal current source and parallel resistor Ideal voltage source and series resistor None of these Ideal current source and series resistor Ideal voltage source and parallel resistor Ideal current source and parallel resistor Ideal voltage source and series resistor None of these Ideal current source and series resistor Ideal voltage source and parallel resistor 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? 20 V 0.17 V 10.17 V 18.8 V None of these 20 V 0.17 V 10.17 V 18.8 V None of these 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 0.3 A 0.6 A 0.2 A 0.4 A None of these 0.3 A 0.6 A 0.2 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: multiplies the inductive reactance by 6.28 None of these cuts the inductive reactance in half has no effect on the inductive reactance doubles the amount of inductive reactance multiplies the inductive reactance by 6.28 None of these cuts the inductive reactance in half has no effect on the inductive reactance doubles the amount of inductive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: doubles the amount of current through the inductors None of these has no effect on the current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit cuts the current through the inductors one-half doubles the amount of current through the inductors None of these has no effect on the current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit cuts the current through the inductors one-half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the amplitude at 70.7% of the maximum value None of these the amplitude at 1.41 times the maximum value the maximum positive or negative value the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value None of these the amplitude at 1.41 times the maximum value the maximum positive or negative value the amplitude at 90% of the maximum value ANSWER DOWNLOAD EXAMIANS APP