Electronic Principles Which one of the following statements is true? None of these Power dissipation of a pure capacitor decreases 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 increases with operating frequency All of these None of these Power dissipation of a pure capacitor decreases 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 increases with operating frequency All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? Resistances provide the only opposition to current flow None of these The ac voltage leads the current by 90 degree Combinations of resistance and capacitive reactance provide any opposition to current flow Capacitive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow None of these The ac voltage leads the current by 90 degree Combinations of resistance and capacitive reactance provide any opposition to current flow Capacitive reactance provides the only opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: generators None of these batteries oscillators lightning generators None of these batteries oscillators lightning 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 3.2 mA 13 mA None of these 3.75 mA 0.05 mA 3.2 mA 13 mA None of these 3.75 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: None of these equal to the sun of the individual capacitive-reactance values equal to the source voltage divided by total current less than the value of the smallest capacitor equal to the sum of the individual capacitance values None of these equal to the sun of the individual capacitive-reactance values equal to the source voltage divided by total current less than the value of the smallest capacitor equal to the sum of the individual capacitance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Amplify weak signals Emit light Rectify line voltage None of these Regulate voltage Amplify weak signals Emit light Rectify line voltage None of these Regulate voltage ANSWER DOWNLOAD EXAMIANS APP
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