Electronic Principles The total capacitance of a series capacitor circuit is: None of these less than the value of the smallest capacitor equal to the sun of the individual capacitive-reactance values equal to the source voltage divided by total current equal to the sum of the individual capacitance values None of these less than the value of the smallest capacitor equal to the sun of the individual capacitive-reactance values equal to the source voltage divided by total current equal to the sum of the individual capacitance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a series RLC circuit is operating at its resonant frequency: the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is equal to the capacitive reactance inductive reactance is greater than the capacitive reactance capacitive reactance is greater than the inductive reactance None of these the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is equal to the capacitive reactance inductive reactance is greater than the capacitive reactance capacitive reactance is greater than the inductive reactance 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? 0.2 A None of these 0.3 A 0.6 A 0.4 A 0.2 A None of these 0.3 A 0.6 A 0.4 A 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 voltage source and series resistor Ideal current source and parallel resistor None of these Ideal current source and series resistor Ideal voltage source and parallel resistor Ideal voltage source and series resistor Ideal current source and parallel resistor None of these 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? None of these 0.05 mA 3.2 mA 13 mA 3.75 mA None of these 0.05 mA 3.2 mA 13 mA 3.75 mA 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