Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 85 81 9 None of these 6 85 81 9 None of these 6 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 0.1 A 1000 A 0.41666666666667 100 A None of these 0.1 A 1000 A 0.41666666666667 100 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 1 V None of these 0.7V 0.3V 2 m V per degree Celsius 1 V None of these 0.7V 0.3V 2 m V per degree Celsius ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true? Power dissipation of a pure capacitor increases with operating frequency There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency Power dissipation of a pure capacitor decreases with operating frequency None of these All of these Power dissipation of a pure capacitor increases with operating frequency There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency Power dissipation of a pure capacitor decreases with operating frequency None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 700 V None of these 208 V 651 V 707 V 700 V None of these 208 V 651 V 707 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is 200 A None of these 0.5 mA 2 mA 0.083333333333333 200 A None of these 0.5 mA 2 mA 0.083333333333333 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS