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? 43922 43891 3 2 None of these 43922 43891 3 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? None of these 85 6 81 9 None of these 85 6 81 9 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 1000 W 200 W 100 W None of these 20 W 1000 W 200 W 100 W None of these 20 W 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? 4 None of these 0.5 180 0.25 4 None of these 0.5 180 0.25 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage, if 100 ohm resistor connected in parallel with an inductor that has a reactance of 200W? 90 degree 180 degree 0 degree None of these 26.6 degree 90 degree 180 degree 0 degree None of these 26.6 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is An imbalance of electrical charges The flow of charged particles through a material The force that causes electrons to flow The number of free electrons in an atom None of these An imbalance of electrical charges The flow of charged particles through a material The force that causes electrons to flow The number of free electrons in an atom None of these ANSWER DOWNLOAD EXAMIANS APP
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