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 43922 3 2 None of these 43891 43922 3 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The net charge of a neutral copper atom is None of these 1 4 -1 None of these 1 4 -1 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 0.25 4 180 0.5 None of these 0.25 4 180 0.5 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Electrons, ions, and neutrons Electrons, protons, and ions None of these Electrons, protons, and neutrons Protons only Electrons, ions, and neutrons Electrons, protons, and ions None of these Electrons, protons, and neutrons Protons only ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? P = IE I = P/E P = I2R None of these P = E2/R P = IE I = P/E P = I2R None of these P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 1 V None of these 2 m V per degree Celsius 0.3V 0.7V 1 V None of these 2 m V per degree Celsius 0.3V 0.7V ANSWER DOWNLOAD EXAMIANS APP
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