Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? None of these 85 81 9 6 None of these 85 81 9 6 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: passes lower-frequency signals and reduces higher-frequency signals None of these reduces the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals None of these reduces the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals ANSWER DOWNLOAD EXAMIANS APP
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 battery is a device composed of one or more: chemical cells solar cells None of these voltage generators piezoeletric cells chemical cells solar cells None of these voltage generators piezoeletric cells ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? 28.4 mA None of these 68.4 mA 24.2 mA 34.4 mA 28.4 mA None of these 68.4 mA 24.2 mA 34.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The net charge of a neutral copper atom is 4 -1 1 None of these 4 -1 1 None of these ANSWER DOWNLOAD EXAMIANS APP
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