Electronic Principles How much current flows through a 60-W light bulb that is operating at 120 V? 180 A None of these 7200 A 0.5A 0.083333333333333 180 A None of these 7200 A 0.5A 0.083333333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? None of these Resistances provide the only opposition to current flow The ac voltage leads the current by 90 degree Capacitive reactance provides the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow None of these Resistances provide the only opposition to current flow The ac voltage leads the current by 90 degree Capacitive reactance provides the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between a conductor and an insulator? None of these An insulator allows current to flow much easier than a conductor does A conductor allows current to flow much easier than an insulator does The difference between conductors and insulators depends on how they are used 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 A conductor allows current to flow much easier than an insulator does The difference between conductors and insulators depends on how they are used 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 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 0.4 A 0.2 A 0.3 A 0.6 A None of these 0.4 A 0.2 A 0.3 A 0.6 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Equals the number of holes None of these Impossible to say Is greater than the number of holes Is less than the number of holes Equals the number of holes None of these Impossible to say Is greater than the number of holes Is less than the number of holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between the kinds of charges for an electron and a proton? An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has a positive charge An electron has a negative charge and a proton has no charge None of these An electron has a positive charge and a proton has no charge An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has a positive charge An electron has a negative charge and a proton has no charge None of these An electron has a positive charge and a proton has no charge ANSWER DOWNLOAD EXAMIANS APP
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