Electronic Principles What is a free electron? An electron that has twice the amount of charge of a normal electron An electron that costs nothing An electron that has been freed from its parent atom None of these An electron that has no electrical charge An electron that has twice the amount of charge of a normal electron An electron that costs nothing An electron that has been freed from its parent atom None of these An electron that has no electrical charge ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 1 V None of these 0.3V 2 m V per degree Celsius 0.7V 1 V None of these 0.3V 2 m V per degree Celsius 0.7V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: equal to the sum of the individual capacitance values less than the capacitance value of the smallest capacitor None of these equal to the source voltage divided by total current 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 None of these equal to the source voltage divided by total current equal to the sum of the individual capacitive-reactance values 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? 68.4 mA 28.4 mA None of these 24.2 mA 34.4 mA 68.4 mA 28.4 mA None of these 24.2 mA 34.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? Resistances provide the only opposition to current flow Inductive reactance provides the only opposition to current flow Combinations of resistance and inductive reactance provide any opposition to current flow The ac voltage lags the current by 90 degree None of these Resistances provide the only opposition to current flow Inductive reactance provides the only opposition to current flow Combinations of resistance and inductive reactance provide any opposition to current flow The ac voltage lags the current by 90 degree None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: lightning None of these oscillators batteries generators lightning None of these oscillators batteries generators ANSWER DOWNLOAD EXAMIANS APP
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