Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 81 85 9 None of these 6 81 85 9 None of these 6 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? None of these 1000 W 20 W 200 W 100 W None of these 1000 W 20 W 200 W 100 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 12 V 30 V 18 V 24 V None of these 12 V 30 V 18 V 24 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? 0.955 A 0.02 A 2.02 A None of these 0.41666666666667 0.955 A 0.02 A 2.02 A None of these 0.41666666666667 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current? 1750 mA 175 mA 1.75 mA 17.5 mA None of these 1750 mA 175 mA 1.75 mA 17.5 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: is minimum at the resonant frequency None of these is maximum at the resonant frequency always increases as the applied frequency increases always decreases as the applied frequency increases is minimum at the resonant frequency None of these is maximum at the resonant frequency always increases as the applied frequency increases always decreases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
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