Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 81 85 None of these 9 6 81 85 None of these 9 6 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: increases the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals None of these increases the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: None of these cuts the capacitive reactance in half has no effect on the capacitive reactance doubles the amount of a capacitive reactance multiplies the capacitive reactance by 6.28 None of these cuts the capacitive reactance in half has no effect on the capacitive reactance doubles the amount of a capacitive reactance multiplies the capacitive reactance by 6.28 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: None of these peak both the voltage and current waveforms 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 None of these peak both the voltage and current waveforms 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the collector current increases, what does the current gain do? any of the above increases stays the same None of these decreases any of the above increases stays the same None of these decreases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it? I = E/R I = ER None of these E = PR E = I2R I = E/R I = ER None of these E = PR E = I2R ANSWER DOWNLOAD EXAMIANS APP
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