Electronic Principles What are the main parts of an atom? Protons only Electrons, ions, and neutrons Electrons, protons, and neutrons Electrons, protons, and ions None of these Protons only Electrons, ions, and neutrons Electrons, protons, and neutrons Electrons, protons, and ions None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage remains at one polarity and at a steady level The voltage reverses polarity periodically The voltage causes current to flow in two directions at the same time None of these The voltage remains at one polarity but changes value periodically The voltage remains at one polarity and at a steady level The voltage reverses polarity periodically The voltage causes current to flow in two directions at the same time None of these The voltage remains at one polarity but changes value periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RL circuit? The total voltage lags the total current by less than 90 None of these The total voltage is less than the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit The total voltages is equal to the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 None of these The total voltage is less than the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit The total voltages is equal to the sum of the voltages across the resistance and inductance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles As the temperature increases, the current gain contant decreases can be any of the above increases None of these contant decreases can be any of the above increases None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: peak the voltage and round off the current waveforms peak the current and round off the voltage waveforms round off both the voltage and current waveforms None of these peak both the voltage and current waveforms peak the voltage and round off the current waveforms peak the current and round off the voltage waveforms round off both the voltage and current waveforms None of these peak both the voltage and current waveforms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals passes higher-frequency signals and reduces lower-frequency signals reduces the level of all frequencies by a significant amount None of these passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals passes higher-frequency signals and reduces lower-frequency signals reduces the level of all frequencies by a significant amount None of these ANSWER DOWNLOAD EXAMIANS APP