Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 81 85 None of these 9 6 81 85 None of these 9 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: equal to the sum of the individual capacitive-reactance values equal to the sum of the individual capacitance values less than the capacitance value of the smallest capacitor equal to the source voltage divided by total current None of these equal to the sum of the individual capacitive-reactance values equal to the sum of the individual capacitance values less than the capacitance value of the smallest capacitor equal to the source voltage divided by total current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current is converted to dc voltage None of these ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ac current is converted to dc voltage None of these ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: None of these you are not pressing the button its contact remain open its contact remain open you are pressing the button None of these you are not pressing the button its contact remain open its contact remain open you are pressing the button 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? 34.4 mA None of these 28.4 mA 24.2 mA 68.4 mA 34.4 mA None of these 28.4 mA 24.2 mA 68.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? None of these 0.24 W 325 kW 80 W 0.625 W None of these 0.24 W 325 kW 80 W 0.625 W ANSWER DOWNLOAD EXAMIANS APP