Electronic Principles The direction of conventional current flow is: from negative to positive from neutral to positive from positive to negative None of these from left to right from negative to positive from neutral to positive from positive to negative None of these from left to right ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 600 V 4.73 0.4 V None of these 24 V 600 V 4.73 0.4 V None of these 24 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the collector current increases, what does the current gain do? decreases any of the above None of these stays the same increases decreases any of the above None of these stays the same increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The valence electron of a copper atom experiences what kind of attraction toward the nucleus? Weak Impossible to say None of these Strong Neutral Weak Impossible to say None of these Strong Neutral ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? Magnetism that remains in the core of an electromagnet after the current through the coil is turned off None of these The amount of magnetic flux that is not confined to the core material of an electromagnet The force of attraction between the poles of a permanent and temporary magnetic field The circular magnetic field that surrounds a conductor carrying a current Magnetism that remains in the core of an electromagnet after the current through the coil is turned off None of these The amount of magnetic flux that is not confined to the core material of an electromagnet The force of attraction between the poles of a permanent and temporary magnetic field The circular magnetic field that surrounds a conductor carrying a current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: the amount of voltage it can withstand before breaking down the amount of opposition to the current flow None of these how well the material concentrates magnetic lines of force how well the material concentrates electrostatic lines of force the amount of voltage it can withstand before breaking down the amount of opposition to the current flow None of these how well the material concentrates magnetic lines of force how well the material concentrates electrostatic lines of force ANSWER DOWNLOAD EXAMIANS APP
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