Electronic Principles What is the smallest number of polarities required for current flow? Two - a negative terminal and a positive terminal One - a negative terminal Four - two negative and two positive None of these Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal One - a negative terminal Four - two negative and two positive None of these Three - negative, positive and neutral terminals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current? None of these 17.5 mA 1.75 mA 1750 mA 175 mA None of these 17.5 mA 1.75 mA 1750 mA 175 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: from right to left None of these from positive to negative from negative to positive from neutral to positive from right to left None of these from positive to negative from negative to positive from neutral to positive ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: equal to the sun of the individual capacitive-reactance values less than the value of the smallest capacitor None of these equal to the sum of the individual capacitance values equal to the source voltage divided by total current equal to the sun of the individual capacitive-reactance values less than the value of the smallest capacitor None of these equal to the sum of the individual capacitance values equal to the source voltage divided by total current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: doubles the amount of current through the inductors cuts the current through the inductors one-half has no effect on the current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit None of these doubles the amount of current through the inductors cuts the current through the inductors one-half has no effect on the current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.6 A 0.4 A None of these 0.3 A 0.2 A 0.6 A 0.4 A None of these 0.3 A 0.2 A ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS