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 24.2 mA 68.4 mA 34.4 mA None of these 28.4 mA 24.2 mA 68.4 mA 34.4 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductance of a series inductor circuit is: equal to the sum of the individual inductive-reactance values equal to the source voltage divided by total current None of these equal to the sum of the individual inductance values 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 None of these equal to the sum of the individual inductance values less than the value of the smallest inductor 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? 300 mW 20 mW None of these 200 mW 10 mW 300 mW 20 mW None of these 200 mW 10 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current is converted to dc voltage ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current is converted to dc voltage ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree ac current and voltage are exactly in phase None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio for the transformer specified in the above question? 0.575 10.738 None of these 1.5 0.707 0.575 10.738 None of these 1.5 0.707 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: decreasing the area of the plates increasing the voltage applied to the plates increasing the frequency of the applied voltage increasing the area of the plates None of these decreasing the area of the plates increasing the voltage applied to the plates increasing the frequency of the applied voltage increasing the area of the plates None of these ANSWER DOWNLOAD EXAMIANS APP
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