Electronic Principles The period of a waveform is: the time required to complete one full cycle equal to 0.707 times the peak amplitude None of these the number of cycles completed in one second the time required for the voltage to rise from 10% to 90% of the peak amplitude the time required to complete one full cycle equal to 0.707 times the peak amplitude None of these the number of cycles completed in one second the time required for the voltage to rise from 10% to 90% of the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 120 Ohm 60 Ohm 754 Ohm 30 Ohm None of these 120 Ohm 60 Ohm 754 Ohm 30 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 1000 A None of these 0.1 A 0.41666666666667 100 A 1000 A None of these 0.1 A 0.41666666666667 100 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: cuts the total current by one-half has no effect on the total circuit current thrice the amount of total current doubles the amount of total current None of these cuts the total current by one-half has no effect on the total circuit current thrice the amount of total current doubles the amount of total current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Voltmeter Wattmeter None of these Ohmmeter Ammeter Voltmeter Wattmeter None of these Ohmmeter Ammeter 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? Reluctance Permeance Permeability Retentivity There is no valid comparison Reluctance Permeance Permeability Retentivity There is no valid comparison ANSWER DOWNLOAD EXAMIANS APP
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