Electronic Principles A dielectric material is: a poor conductor of electrostatic fields a good insulator None of these a good conductor of magnetic fields a good conductor a poor conductor of electrostatic fields a good insulator None of these a good conductor of magnetic fields a good conductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Absolute Zero temperature equals 0o C None of these 25o C -273o C -276o C 0o C None of these 25o C -273o C -276o C ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 30 V None of these 18 V 24 V 12 V 30 V None of these 18 V 24 V 12 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: from right to left from neutral to positive None of these from positive to negative from negative to positive from right to left from neutral to positive None of these from positive to negative from negative to positive ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 7.5 V 15 V None of these 16 V 8 V 7.5 V 15 V None of these 16 V 8 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between a conductor and an insulator? An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all None of these An insulator allows current to flow much easier than a conductor does The difference between conductors and insulators depends on how they are used A conductor allows current to flow much easier than an insulator does An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all None of these An insulator allows current to flow much easier than a conductor does The difference between conductors and insulators depends on how they are used A conductor allows current to flow much easier than an insulator does ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS