Electronic Principles What is the smallest number of polarities required for current flow? Two - a negative terminal and a positive terminal None of these One - a negative terminal Four - two negative and two positive Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal None of these One - a negative terminal Four - two negative and two positive Three - negative, positive and neutral terminals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between the kinds of charges for an electron and a proton? An electron has a negative charge and a proton has no charge An electron has a positive charge and a proton has no charge None of these An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has no charge An electron has a positive charge and a proton has no charge None of these An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has a negative charge ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current leads the voltage through a resistor Current lags the voltage through a resistor Current and voltages are in phase through a resistor All of these None of these Current leads the voltage through a resistor Current lags the voltage through a resistor Current and voltages are in phase through a resistor All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: None of these its contact remain open you are not pressing the button its contact remain open you are pressing the button None of these its contact remain open you are not pressing the button its contact remain open you are pressing the button ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: reduces the value of inductance by one-fourth None of these multiplies the value of inductance by two multiplies the value of inductance by four reduces the value of inductance by one-half reduces the value of inductance by one-fourth None of these multiplies the value of inductance by two multiplies the value of inductance by four reduces the value of inductance by one-half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Norton's theorem replaces a complicated circuit facing a load by an Ideal current source and series resistor Ideal voltage source and parallel resistor Ideal current source and parallel resistor Ideal voltage source and series resistor None of these Ideal current source and series resistor Ideal voltage source and parallel resistor Ideal current source and parallel resistor Ideal voltage source and series resistor None of these ANSWER DOWNLOAD EXAMIANS APP
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