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 34.4 mA 68.4 mA None of these 28.4 mA 24.2 mA 34.4 mA 68.4 mA None of these 28.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is None of these The smallest electrically charged particle The flow of charged particles through a material Trie force that causes electrons to flow The number of free electrons in an atom None of these The smallest electrically charged particle The flow of charged particles through a material Trie force that causes electrons to flow The number of free electrons in an atom ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 0.4 V 4.73 None of these 24 V 600 V 0.4 V 4.73 None of these 24 V 600 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A basic capacitor is composed of: two coils separated by a dielectric two coils separated by a conductor None of these two conductors separated by a dielectric two dielectrics separated by a conductor two coils separated by a dielectric two coils separated by a conductor None of these two conductors separated by a dielectric two dielectrics separated by a conductor 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 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 equal to the source voltage divided by total current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? 60 Ohm 99.3 Ohm None of these 250 Ohm 70.7Ohm 60 Ohm 99.3 Ohm None of these 250 Ohm 70.7Ohm ANSWER DOWNLOAD EXAMIANS APP