Electronic Principles What is the barrier potential of a silicon diode at room temperature? 2 m V per degree Celsius None of these 1 V 0.7V 0.3V 2 m V per degree Celsius None of these 1 V 0.7V 0.3V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? All of these Current and voltages are in phase through a resistor None of these Current lags the voltage through a resistor Current leads the voltage through a resistor All of these Current and voltages are in phase through a resistor None of these Current lags the voltage through a resistor Current leads the voltage through a resistor 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? None of these 68.4 mA 34.4 mA 28.4 mA 24.2 mA None of these 68.4 mA 34.4 mA 28.4 mA 24.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The knee voltage of a diode is approximately equal to the Barrier potential Applied voltage Breakdown voltage Forward voltage None of these Barrier potential Applied voltage Breakdown voltage Forward voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: None of these is equal to the sum of the values of resistance, inductive reactance and capacitive reactance is maximum at the resonant frequency always decreases as the applied frequency increases always increases as the applied frequency increases None of these is equal to the sum of the values of resistance, inductive reactance and capacitive reactance is maximum at the resonant frequency always decreases as the applied frequency increases always increases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: No more than 10% less than the primary current None of these Twice the primary current Same as the primary current One-half the primary current No more than 10% less than the primary current None of these Twice the primary current Same as the primary current One-half the primary current ANSWER DOWNLOAD EXAMIANS APP
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