Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 9 6 None of these 85 81 9 6 None of these 85 81 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately describes the nature of inductive reactance? Inductive reactance is another term for counter emf Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is an opposition to current flow in dc circuits None of these Inductive reactance is another term for counter emf Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is an opposition to current flow in dc circuits None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 0.20833333333333 20 A None of these 50 A 0.20833333333333 20 A None of these 50 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 20 W None of these 100 W 1000 W 200 W 20 W None of these 100 W 1000 W 200 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is most likely used for measuring the rate of electron flow? None of these Voltmeter Ammeter Wattmeter Ohmmeter None of these Voltmeter Ammeter Wattmeter Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: None of these equal to the sum of the individual capacitance values equal to the source voltage divided by total current less than the value of the smallest capacitor equal to the sun of the individual capacitive-reactance values None of these equal to the sum of the individual capacitance values equal to the source voltage divided by total current less than the value of the smallest capacitor equal to the sun of the individual capacitive-reactance values ANSWER DOWNLOAD EXAMIANS APP
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