Electronic Principles In a step-down transformer, which is larger? Primary voltage None of these Neither Secondary voltage Impossible to say Primary voltage None of these Neither Secondary voltage Impossible to say ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 13 mA 3.2 mA 0.05 mA 3.75 mA None of these 13 mA 3.2 mA 0.05 mA 3.75 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: None of these the amount of voltage it can withstand before breaking down the amount of opposition to the current flow how well the material concentrates electrostatic lines of force how well the material concentrates magnetic lines of force None of these the amount of voltage it can withstand before breaking down the amount of opposition to the current flow how well the material concentrates electrostatic lines of force how well the material concentrates magnetic lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current is converted to dc voltage None of these ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ac current is converted to dc voltage None of these ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ac current leads the voltage by 90 degree 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 allows current to flow much easier than a conductor 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 A conductor allows current to flow much easier than an insulator does An insulator allows current to flow much easier than a conductor 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 The value of a capacitor can be made larger by: increasing the area of the plates decreasing the area of the plates increasing the voltage applied to the plates None of these increasing the frequency of the applied voltage increasing the area of the plates decreasing the area of the plates increasing the voltage applied to the plates None of these increasing the frequency of the applied voltage ANSWER DOWNLOAD EXAMIANS APP
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