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? None of these 34.4 mA 68.4 mA 24.2 mA 28.4 mA None of these 34.4 mA 68.4 mA 24.2 mA 28.4 mA 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 A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 200 mW 20 mW None of these 10 mW 300 mW 200 mW 20 mW None of these 10 mW 300 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? Capacitive reactance provides the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow None of these The ac voltage leads the current by 90 degree Resistances provide the only opposition to current flow Capacitive reactance provides the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow None of these The ac voltage leads the current by 90 degree Resistances provide the only opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: a temporary magnet a natural magnet a paramagnetic alloy None of these an artificial magnet a temporary magnet a natural magnet a paramagnetic alloy None of these an artificial magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The saturation point is approximately the same as None of these infinity upper end of the load line lower end of the load line cutoff point None of these infinity upper end of the load line lower end of the load line cutoff point ANSWER DOWNLOAD EXAMIANS APP
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