Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Ohmmeter Voltmeter None of these Ammeter Wattmeter Ohmmeter Voltmeter None of these Ammeter Wattmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: multiplies the value of inductance by two has no effect on the inductance None of these reduces the value of inductance by one-half multiplies the value of inductance by four multiplies the value of inductance by two has no effect on the inductance None of these reduces the value of inductance by one-half multiplies the value of inductance by four ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Thevenin theorem replaces a complicated circuit facing a load by an Ideal voltage source and parallel resistor Ideal current source and series resistor Ideal voltage source and series resistor None of these Ideal current source and parallel resistor Ideal voltage source and parallel resistor Ideal current source and series resistor Ideal voltage source and series resistor None of these Ideal current source and parallel resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductive reactance of a parallel inductor circuit is: equal to the source voltage divided by total current None of these less than the inductance value of the smallest inductor equal to the sum of the individual inductance values equal to the sum of the individual inductive-reactance values equal to the source voltage divided by total current None of these less than the inductance value of the smallest inductor equal to the sum of the individual inductance values equal to the sum of the individual inductive-reactance values 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? None of these 0.6 A 0.4 A 0.3 A 0.2 A None of these 0.6 A 0.4 A 0.3 A 0.2 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff? 100 Ohm None of these 20 Ohm 10 Ohm 30 Ohm 100 Ohm None of these 20 Ohm 10 Ohm 30 Ohm ANSWER DOWNLOAD EXAMIANS APP
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