Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 81 9 85 None of these 6 81 9 85 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? 20 A 0.20833333333333 50 A None of these 20 A 0.20833333333333 50 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: peak the current and round off the voltage waveforms round off both the voltage and current waveforms peak the voltage and round off the current waveforms peak both the voltage and current waveforms None of these peak the current and round off the voltage waveforms round off both the voltage and current waveforms peak the voltage and round off the current waveforms peak both the voltage and current waveforms None of these 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? 0.05 mA None of these 3.2 mA 13 mA 3.75 mA 0.05 mA None of these 3.2 mA 13 mA 3.75 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has how many doped regions? None of these 4 2 3 1 None of these 4 2 3 1 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The knee voltage of a diode is approximately equal to the Barrier potential Applied voltage Forward voltage Breakdown voltage None of these Barrier potential Applied voltage Forward voltage Breakdown voltage None of these ANSWER DOWNLOAD EXAMIANS APP
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