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 68.4 mA None of these 34.4 mA 24.2 mA 28.4 mA 68.4 mA None of these 34.4 mA 24.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The barrier potential accross each depletion layer is 20 V None of these 0.8 V 0.7 V 20 V None of these 0.8 V 0.7 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 3 43891 43922 None of these 2 3 43891 43922 None of these 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The knee voltage of a diode is approximately equal to the None of these Applied voltage Barrier potential Breakdown voltage Forward voltage None of these Applied voltage Barrier potential Breakdown voltage Forward voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? P = IE None of these I = P/E P = E2/R P = I2R P = IE None of these I = P/E P = E2/R P = I2R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a series RLC circuit has the characteristics of a: series RC circuit series RLC circuit operated above its resonant frequency series RL circuit None of these purely resistive circuit series RC circuit series RLC circuit operated above its resonant frequency series RL circuit None of these purely resistive circuit ANSWER DOWNLOAD EXAMIANS APP