Electronic Principles In a pure inductor: ac current and voltage are exactly in phase ac current lags the voltage by 90 degree ac current is converted to dc voltage None of these ac current leads the voltage by 90 degree ac current and voltage are exactly in phase ac current lags the voltage by 90 degree ac current is converted to dc voltage None of these ac current leads the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The higher the amplitude of a waveform, the higher its frequency The actual frequency of a sine waveform is 1.41 times the working frequency The longer the period of a waveform, the lower its frequency None of these Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The higher the amplitude of a waveform, the higher its frequency The actual frequency of a sine waveform is 1.41 times the working frequency The longer the period of a waveform, the lower its frequency None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: None of these passes lower-frequency signals and reduces higher-frequency signals passes higher-frequency signals and reduces lower-frequency signals reduces the level of all frequencies by a significant amount has no effect on ac signals None of these passes lower-frequency signals and reduces higher-frequency signals passes higher-frequency signals and reduces lower-frequency signals reduces the level of all frequencies by a significant amount has no effect on ac signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the impedance of a series RC circuit? The impedance is greater than either the resistance or capacitive reactance but less than their sum The impedance is greater than the sum of the resistance and capacitive reactance The impedance is less than the sum of the resistance and capacitive reactance None of these The impedance is equal to the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum The impedance is greater than the sum of the resistance and capacitive reactance The impedance is less than the sum of the resistance and capacitive reactance None of these The impedance is equal to the sum of the resistance and capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz? None of these 100 Ohm Less than 1 Ohm 628 Ohm 444 Ohm None of these 100 Ohm Less than 1 Ohm 628 Ohm 444 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many protons does the nucleus of a silicon atom contain? 14 48 None of these 29 4 14 48 None of these 29 4 ANSWER DOWNLOAD EXAMIANS APP
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