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? 24.2 mA None of these 28.4 mA 34.4 mA 68.4 mA 24.2 mA None of these 28.4 mA 34.4 mA 68.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit? 1000 V and a series resistance of 10 k Ohm 100 V and a parallel resistance of 10 k Ohm 1000 V and a parallel resistance of 10 kOhm 100 V and a series resistance of 10 k Ohm None of these 1000 V and a series resistance of 10 k Ohm 100 V and a parallel resistance of 10 k Ohm 1000 V and a parallel resistance of 10 kOhm 100 V and a series resistance of 10 k Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: always decreases as the applied frequency increases always increases as the applied frequency increases is maximum at the resonant frequency None of these is minimum at the resonant frequency always decreases as the applied frequency increases always increases as the applied frequency increases is maximum at the resonant frequency None of these is minimum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? None of these The ac voltage leads the current by 90 degree Combinations of resistance and capacitive reactance provide any opposition to current flow Capacitive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow None of these The ac voltage leads the current by 90 degree Combinations of resistance and capacitive reactance provide any opposition to current flow Capacitive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common auto batteries? None of these Auto batteries are primary wet-cell batteries Auto batteries are secondary dry-cell batteries Auto batteries are primary dry-cell batteries Auto batteries are secondary wet-cell batteries None of these Auto batteries are primary wet-cell batteries Auto batteries are secondary dry-cell batteries Auto batteries are primary dry-cell batteries Auto batteries are secondary wet-cell batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? None of these The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of currents entering and leaving a point is equal to zero The total resistance of a parallel circuit is less than the value of the smallest resistance The algebraic sum of voltages in a loop is equal to zero None of these The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of currents entering and leaving a point is equal to zero The total resistance of a parallel circuit is less than the value of the smallest resistance The algebraic sum of voltages in a loop is equal to zero ANSWER DOWNLOAD EXAMIANS APP
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