Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 43891 2 None of these 43922 3 43891 2 None of these 43922 3 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Magnetomotive force Reluctance Flux density None of these Number of lines of force Magnetomotive force Reluctance Flux density None of these Number of lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between a conductor and an insulator? 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 An insulator allows current to flow much easier than a conductor does A conductor allows current to flow much easier than an insulator does None of these 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 An insulator allows current to flow much easier than a conductor does A conductor allows current to flow much easier than an insulator does None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: increases the level of all frequencies by a significant amount has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals passes higher-frequency signals and reduces lower-frequency signals None of these increases the level of all frequencies by a significant amount has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals passes higher-frequency signals and reduces lower-frequency signals None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Impossible to say Primary voltage None of these Secondary voltage Neither Impossible to say Primary voltage None of these Secondary voltage Neither ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it? I = E/R None of these E = PR E = I2R I = ER I = E/R None of these E = PR E = I2R I = ER ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS