Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 85 6 81 None of these 9 85 6 81 None of these 9 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? 3.75 mA 3.2 mA 0.05 mA 13 mA None of these 3.75 mA 3.2 mA 0.05 mA 13 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The south pole of a magnet is the one: that would be attracted to the earths north magnetic pole None of these that would be attracted to the earth's south magnetic pole that has its molecules arranged in a random pattern that would be repelled by the north pole of another magnet that would be attracted to the earths north magnetic pole None of these that would be attracted to the earth's south magnetic pole that has its molecules arranged in a random pattern that would be repelled by the north pole of another magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio for the transformer specified in the above question? 1.5 0.575 0.707 None of these 10.738 1.5 0.575 0.707 None of these 10.738 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RL circuit? The total voltage lags the total current by less than 90 The voltage always has the same amplitude and phase for every part of the circuit None of these The total voltage is less than the sum of the voltages across the resistance and inductance The total voltages is equal to the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 The voltage always has the same amplitude and phase for every part of the circuit None of these The total voltage is less than the sum of the voltages across the resistance and inductance The total voltages is equal to the sum of the voltages across the resistance and inductance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a parallel RLC circuit is operating at its resonant frequency: None of these inductive reactance is equal to the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance capacitive reactance is greater than the inductive reactance inductive reactance is greater than the capacitive reactance None of these inductive reactance is equal to the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance capacitive reactance is greater than the inductive reactance inductive reactance is greater than the capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
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