Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 4 180 0.25 0.5 None of these 4 180 0.25 0.5 None of these 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? 250 µA 350 µA 300 µA None of these 0.25 µA 250 µA 350 µA 300 µA None of these 0.25 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Thevenin resistance is equal in value to the Open-load resistance Load resistance Internal resistance of a Morton circuit Half the load resistance None of these Open-load resistance Load resistance Internal resistance of a Morton circuit Half the load resistance 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? 2 43922 43891 3 None of these 2 43922 43891 3 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: always increases as the applied frequency increases is maximum at the resonant frequency is minimum at the resonant frequency always decreases as the applied frequency increases None of these always increases as the applied frequency increases is maximum at the resonant frequency is minimum at the resonant frequency always decreases as the applied frequency increases None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a series RLC circuit is operating at its resonant frequency: None of these inductive reactance is greater than the capacitive reactance capacitive reactance is greater than the inductive reactance inductive reactance is equal to the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance None of these inductive reactance is greater than the capacitive reactance capacitive reactance is greater than the inductive reactance inductive reactance is equal to the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance ANSWER DOWNLOAD EXAMIANS APP
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