Electronic Principles The peak value of a sine waveform is: None of these the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value the amplitude at 1.41 times the maximum value the maximum positive or negative value None of these the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value the amplitude at 1.41 times the maximum value the maximum positive or negative value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a parallel RLC circuit has the characteristics of a: purely resistive circuit parallel RLC circuit operated above its resonant frequency parallel RL circuit parallel RC circuit None of these purely resistive circuit parallel RLC circuit operated above its resonant frequency parallel RL circuit parallel RC circuit None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? None of these Combinations of resistance and inductive reactance provide any opposition to current flow Resistances provide the only opposition to current flow Inductive reactance provides the only opposition to current flow The ac voltage lags the current by 90 degree None of these Combinations of resistance and inductive reactance provide any opposition to current flow Resistances provide the only opposition to current flow Inductive reactance provides the only opposition to current flow The ac voltage lags the current by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The period of a waveform is: equal to 0.707 times the peak amplitude the time required to complete one full cycle the number of cycles completed in one second None of these the time required for the voltage to rise from 10% to 90% of the peak amplitude equal to 0.707 times the peak amplitude the time required to complete one full cycle the number of cycles completed in one second None of these the time required for the voltage to rise from 10% to 90% of the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode? None of these 18.2 mA 55 A 55.86 A 16.3 mA None of these 18.2 mA 55 A 55.86 A 16.3 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Emit light None of these Rectify line voltage Regulate voltage Amplify weak signals Emit light None of these Rectify line voltage Regulate voltage Amplify weak signals ANSWER DOWNLOAD EXAMIANS APP
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