Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Number of lines of force None of these Flux density Magnetomotive force Reluctance Number of lines of force None of these Flux density Magnetomotive force Reluctance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Voltmeter Ammeter None of these Ohmmeter Wattmeter Voltmeter Ammeter None of these Ohmmeter Wattmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between a conductor and an insulator? A conductor allows current to flow much easier than an insulator does The difference between conductors and insulators depends on how they are used None of these An insulator allows current to flow much easier than a conductor does An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all A conductor allows current to flow much easier than an insulator does The difference between conductors and insulators depends on how they are used None of these An insulator allows current to flow much easier than a conductor does An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? A paramagnetic material All of these A feiTomagnetic material A diamagnetic material None of these A paramagnetic material All of these A feiTomagnetic material A diamagnetic material None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? I = P/E R = E2/P None of these P = PR P = E2/R I = P/E R = E2/P None of these P = PR P = E2/R 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? 0.3 A None of these 0.4 A 0.2 A 0.6 A 0.3 A None of these 0.4 A 0.2 A 0.6 A ANSWER DOWNLOAD EXAMIANS APP
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