Electronic Principles Doubling the operating frequency of an inductive circuit: multiplies the inductive reactance by 6.28 None of these doubles the amount of inductive reactance cuts the inductive reactance in half has no effect on the inductive reactance multiplies the inductive reactance by 6.28 None of these doubles the amount of inductive reactance cuts the inductive reactance in half has no effect on the inductive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? Four - two negative and two positive None of these Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals One - a negative terminal Four - two negative and two positive None of these Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals One - a negative terminal ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A basic capacitor is composed of: two coils separated by a conductor two coils separated by a dielectric two dielectrics separated by a conductor None of these two conductors separated by a dielectric two coils separated by a conductor two coils separated by a dielectric two dielectrics separated by a conductor None of these two conductors separated by a dielectric 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 34.4 mA None of these 24.2 mA 28.4 mA 68.4 mA 34.4 mA None of these 24.2 mA 28.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage in the circuit of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm 30 degree 45 degree 180 degree None of these 75 degree 30 degree 45 degree 180 degree None of these 75 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 0.3V 1 V 2 m V per degree Celsius None of these 0.7V 0.3V 1 V 2 m V per degree Celsius None of these 0.7V ANSWER DOWNLOAD EXAMIANS APP
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