Electronic Principles What is the smallest number of polarities required for current flow? Four - two negative and two positive Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal One - a negative terminal None of these Four - two negative and two positive Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal One - a negative terminal None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: increases the current, but by an amount that can be determined only by doing a complete analysis of the 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 None of these increases the current, but by an amount that can be determined only by doing a complete analysis of the 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Silicon atoms combine into an orderly pattern called a Valence orbit Crystal None of these Covalent bond Semiconductor Valence orbit Crystal None of these Covalent bond Semiconductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 13 mA 3.75 mA 0.05 mA 3.2 mA None of these 13 mA 3.75 mA 0.05 mA 3.2 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold 22,000 Ohm, 5% 220 Ohm, 10% 22, 000 Ohm, 10% 220 Ohm, 5% None of these 22,000 Ohm, 5% 220 Ohm, 10% 22, 000 Ohm, 10% 220 Ohm, 5% None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current lags the voltage through a resistor Current leads the voltage through a resistor All of these Current and voltages are in phase through a resistor None of these Current lags the voltage through a resistor Current leads the voltage through a resistor All of these Current and voltages are in phase through a resistor None of these ANSWER DOWNLOAD EXAMIANS APP
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