Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 None of these 9 81 85 6 None of these 9 81 85 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Thevenin theorem replaces a complicated circuit facing a load by an Ideal voltage source and parallel resistor Ideal current source and series resistor Ideal current source and parallel resistor Ideal voltage source and series resistor None of these Ideal voltage source and parallel resistor Ideal current source and series resistor Ideal current source and parallel resistor Ideal voltage source and series resistor None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a parallel RLC circuit has the characteristics of a: parallel RLC circuit operated above its resonant frequency parallel RC circuit parallel RL circuit None of these purely resistive circuit parallel RLC circuit operated above its resonant frequency parallel RC circuit parallel RL circuit None of these purely resistive circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 350 µA None of these 250 µA 0.25 µA 300 µA 350 µA None of these 250 µA 0.25 µA 300 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? Voltmeter Wattmeter Ammeter Ohmmeter None of these Voltmeter Wattmeter Ammeter Ohmmeter None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 43922 3 None of these 43891 2 43922 3 None of these 43891 2 ANSWER DOWNLOAD EXAMIANS APP