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 24.2 mA 68.4 mA 28.4 mA 34.4 mA None of these 24.2 mA 68.4 mA 28.4 mA 34.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: one-millionth of an ohm one million ohms None of these 100,000 ohm 1 k ohm one-millionth of an ohm one million ohms None of these 100,000 ohm 1 k ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 690 ohm 445 ohm None of these 150 ohm 220 ohm 690 ohm 445 ohm None of these 150 ohm 220 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How may valence electrons does a silicon atom have? None of these 1 2 4 None of these 1 2 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductance of a series inductor circuit is: equal to the sum of the individual inductance values None of these less than the value of the smallest inductor equal to the sum of the individual inductive-reactance values equal to the source voltage divided by total current equal to the sum of the individual inductance values None of these less than the value of the smallest inductor equal to the sum of the individual inductive-reactance values equal to the source voltage divided by total current 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? 0.5 180 0.25 None of these 4 0.5 180 0.25 None of these 4 ANSWER DOWNLOAD EXAMIANS APP
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