Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? None of these 4 0.25 180 0.5 None of these 4 0.25 180 0.5 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is most likely used for measuring the rate of electron flow? Voltmeter None of these Wattmeter Ammeter Ohmmeter Voltmeter None of these Wattmeter Ammeter Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Regulate voltage None of these Amplify weak signals Emit light Rectify line voltage Regulate voltage None of these Amplify weak signals Emit light Rectify line voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the graph of current versus voltage is a straight line, the device is referred to as Linear Nonlinear Bipolar Active None of these Linear Nonlinear Bipolar Active None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? None of these Number of lines of force Magnetomotive force Reluctance Flux density None of these Number of lines of force Magnetomotive force Reluctance Flux density ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 81 None of these 6 85 9 81 None of these 6 85 9 ANSWER DOWNLOAD EXAMIANS APP
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