Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 81 9 85 None of these 6 81 9 85 None of these 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? 0.25 180 0.5 4 None of these 0.25 180 0.5 4 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a parallel RLC circuit has the characteristics of a: parallel RC circuit purely resistive circuit None of these parallel RL circuit parallel RLC circuit operated above its resonant frequency parallel RC circuit purely resistive circuit None of these parallel RL circuit parallel RLC circuit operated above its resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: passes lower-frequency signals and reduces higher-frequency signals increases the level of all frequencies by a significant amount None of these passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals increases the level of all frequencies by a significant amount None of these passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Positive ions are atoms that have None of these Gained a proton Gained an electron Lost a proton Lost an electron None of these Gained a proton Gained an electron Lost a proton Lost an electron ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 60 Ohm 30 Ohm 120 Ohm None of these 754 Ohm 60 Ohm 30 Ohm 120 Ohm None of these 754 Ohm ANSWER DOWNLOAD EXAMIANS APP
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