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 68.4 mA 24.2 mA 34.4 mA 28.4 mA None of these 68.4 mA 24.2 mA 34.4 mA 28.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current lags 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 leads the voltage by 90 degree ac current lags 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 leads the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? 10 k Ohm 20 k Ohm 1 k Ohm None of these 2 k Ohm 10 k Ohm 20 k Ohm 1 k Ohm None of these 2 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a series RLC circuit has the characteristics of a: purely resistive circuit series RC circuit series RLC circuit operated above its resonant frequency None of these series RL circuit purely resistive circuit series RC circuit series RLC circuit operated above its resonant frequency None of these series RL circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RL circuit? The voltage always has the same amplitude and phase for every part of the circuit The total voltage lags the total current by less than 90 None of these The total voltage is equal to the sum of the voltages across the resistance and inductance The total voltages is less than the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit The total voltage lags the total current by less than 90 None of these The total voltage is equal to the sum of the voltages across the resistance and inductance The total voltages is less than the sum of the voltages across the resistance and inductance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Reluctance There is no valid comparison Permeance Permeability Retentivity Reluctance There is no valid comparison Permeance Permeability Retentivity ANSWER DOWNLOAD EXAMIANS APP
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