Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? None of these 81 9 85 6 None of these 81 9 85 6 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 1590 Ohm 312 Ohm None of these less than 1 Ohm 690 Ohm 1590 Ohm 312 Ohm None of these less than 1 Ohm 690 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? None of these 1000 A 100 A 0.1 A 0.41666666666667 None of these 1000 A 100 A 0.1 A 0.41666666666667 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? 13 mA 3.75 mA 0.05 mA None of these 3.2 mA 13 mA 3.75 mA 0.05 mA None of these 3.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: purely resistive circuit parallel RL circuit parallel RC circuit parallel RLC circuit operated above its resonant frequency None of these purely resistive circuit parallel RL circuit parallel RC circuit parallel RLC circuit operated above its resonant frequency None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true? None of these Power dissipation of a pure capacitor increases with operating frequency Power dissipation of a pure capacitor decreases with operating frequency All of these There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency None of these Power dissipation of a pure capacitor increases with operating frequency Power dissipation of a pure capacitor decreases with operating frequency All of these There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency ANSWER DOWNLOAD EXAMIANS APP
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