Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 36 V 60 V 0 V 40 V None of these 36 V 60 V 0 V 40 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? Resistances provide the only opposition to current flow The ac voltage lags the current by 90 degree None of these Inductive reactance provides the only opposition to current flow Combinations of resistance and inductive reactance provide any opposition to current flow Resistances provide the only opposition to current flow The ac voltage lags the current by 90 degree None of these Inductive reactance provides the only opposition to current flow Combinations of resistance and inductive reactance provide any opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used for creating static electricity? Chemical energy Mechanical energy None of these Light energy Solar energy Chemical energy Mechanical energy None of these Light energy Solar energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage, if 100 ohm resistor connected in parallel with an inductor that has a reactance of 200W? 180 degree 26.6 degree 90 degree None of these 0 degree 180 degree 26.6 degree 90 degree None of these 0 degree 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? 24 V 30 V 18 V None of these 12 V 24 V 30 V 18 V None of these 12 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between a conductor and an insulator? None of these 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 An insulator allows current to flow much easier than a conductor does The difference between conductors and insulators depends on how they are used None of these 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 An insulator allows current to flow much easier than a conductor does The difference between conductors and insulators depends on how they are used ANSWER DOWNLOAD EXAMIANS APP
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