Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 400 Ohm 550 Ohm 310 Ohm 410 Ohm None of these 400 Ohm 550 Ohm 310 Ohm 410 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that has no electrical charge An electron that has been freed from its parent atom None of these An electron that costs nothing An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge An electron that has been freed from its parent atom None of these An electron that costs nothing An electron that has twice the amount of charge of a normal electron ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes are the minority carriers in which type of semiconductor? Extrinsic n-type p-type None of these Intrinsic Extrinsic n-type p-type None of these Intrinsic ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: equal to the source voltage divided by total current equal to the sum of the individual capacitance values less than the capacitance value of the smallest capacitor equal to the sum of the individual capacitive-reactance values None of these equal to the source voltage divided by total current equal to the sum of the individual capacitance values less than the capacitance value of the smallest capacitor equal to the sum of the individual capacitive-reactance values None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Permeance Reluctance There is no valid comparison Retentivity Permeability Permeance Reluctance There is no valid comparison Retentivity Permeability ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductive reactance of a parallel inductor circuit is: equal to the source voltage divided by total current equal to the sum of the individual inductance values None of these equal to the sum of the individual inductive-reactance values less than the inductance value of the smallest inductor equal to the source voltage divided by total current equal to the sum of the individual inductance values None of these equal to the sum of the individual inductive-reactance values less than the inductance value of the smallest inductor ANSWER DOWNLOAD EXAMIANS APP
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